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Deck 17: Biochemistry

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Question
The following peptide is formed from two amino acids: Which of the following correctly identifies the alpha carbons as indicated by the circled atoms? <strong>The following peptide is formed from two amino acids: Which of the following correctly identifies the alpha carbons as indicated by the circled atoms? </strong> A)A B)B C)C D)D E)E <div style=padding-top: 35px> <strong>The following peptide is formed from two amino acids: Which of the following correctly identifies the alpha carbons as indicated by the circled atoms? </strong> A)A B)B C)C D)D E)E <div style=padding-top: 35px>

A)A
B)B
C)C
D)D
E)E
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Question
The following molecule is formed by three amino acids: Identify the alpha carbons (using the numbers as shown) and the side chains for each amino acid in the molecule. <strong>The following molecule is formed by three amino acids: Identify the alpha carbons (using the numbers as shown) and the side chains for each amino acid in the molecule. </strong> A)1, 2; H, CO B)3, 5, 8; CH<sub>3</sub>, CO, CH<sub>2</sub>(CH<sub>3</sub>)<sub>2</sub><sub> </sub> C)1, 3, 5; H, CH<sub>3</sub>, CO D)2, 3, 8; CO, CH<sub>3</sub>, CH<sub>3</sub><sub> </sub> E)1, 3, 6; H, CH<sub>3</sub>, CH<sub>2</sub>(CH<sub>3</sub>)<sub>2</sub><sub> </sub> <div style=padding-top: 35px>

A)1, 2; H, CO
B)3, 5, 8; CH3, CO, CH2(CH3)2
C)1, 3, 5; H, CH3, CO
D)2, 3, 8; CO, CH3, CH3
E)1, 3, 6; H, CH3, CH2(CH3)2
Question
The following peptide is formed from two amino acids: Which of the following correctly identifies the alpha carbons as indicated by the circled atoms? <strong>The following peptide is formed from two amino acids: Which of the following correctly identifies the alpha carbons as indicated by the circled atoms? </strong> A)A B)B C)C D)D E)E <div style=padding-top: 35px> <strong>The following peptide is formed from two amino acids: Which of the following correctly identifies the alpha carbons as indicated by the circled atoms? </strong> A)A B)B C)C D)D E)E <div style=padding-top: 35px>

A)A
B)B
C)C
D)D
E)E
Question
The following molecule is formed by two amino acids: Identify the alpha carbons using the numbers as shown. <strong>The following molecule is formed by two amino acids: Identify the alpha carbons using the numbers as shown. </strong> A)2, 4 B)1, 6 C)2, 3 D)2, 6 <div style=padding-top: 35px>

A)2, 4
B)1, 6
C)2, 3
D)2, 6
Question
The following peptide is formed from two amino acids: Which of the following correctly identifies the peptide bond as indicated by the circled bond? <strong>The following peptide is formed from two amino acids: Which of the following correctly identifies the peptide bond as indicated by the circled bond? </strong> A)A B)B C)C D)D E)E <div style=padding-top: 35px> <strong>The following peptide is formed from two amino acids: Which of the following correctly identifies the peptide bond as indicated by the circled bond? </strong> A)A B)B C)C D)D E)E <div style=padding-top: 35px>

A)A
B)B
C)C
D)D
E)E
Question
Which of the amino acids contains a basic side chain?

A) <strong>Which of the amino acids contains a basic side chain?</strong> A) B) C) D) E) <div style=padding-top: 35px>
B) <strong>Which of the amino acids contains a basic side chain?</strong> A) B) C) D) E) <div style=padding-top: 35px>
C) <strong>Which of the amino acids contains a basic side chain?</strong> A) B) C) D) E) <div style=padding-top: 35px>
D) <strong>Which of the amino acids contains a basic side chain?</strong> A) B) C) D) E) <div style=padding-top: 35px>
E) <strong>Which of the amino acids contains a basic side chain?</strong> A) B) C) D) E) <div style=padding-top: 35px>
Question
Which amino acid contains a nonpolar side chain?

A) <strong>Which amino acid contains a nonpolar side chain?</strong> A) B) C) D) E) <div style=padding-top: 35px>
B) <strong>Which amino acid contains a nonpolar side chain?</strong> A) B) C) D) E) <div style=padding-top: 35px>
C) <strong>Which amino acid contains a nonpolar side chain?</strong> A) B) C) D) E) <div style=padding-top: 35px>
D) <strong>Which amino acid contains a nonpolar side chain?</strong> A) B) C) D) E) <div style=padding-top: 35px>
E) <strong>Which amino acid contains a nonpolar side chain?</strong> A) B) C) D) E) <div style=padding-top: 35px>
Question
Which of the following is not a building block for proteins?

A) <strong>Which of the following is not a building block for proteins?</strong> A) B) C) D) E) <div style=padding-top: 35px>
B) <strong>Which of the following is not a building block for proteins?</strong> A) B) C) D) E) <div style=padding-top: 35px>
C) <strong>Which of the following is not a building block for proteins?</strong> A) B) C) D) E) <div style=padding-top: 35px>
D) <strong>Which of the following is not a building block for proteins?</strong> A) B) C) D) E) <div style=padding-top: 35px>
E) <strong>Which of the following is not a building block for proteins?</strong> A) B) C) D) E) <div style=padding-top: 35px>
Question
Which of the following correctly shows the product of the reaction between serine and alanine? <strong>Which of the following correctly shows the product of the reaction between serine and alanine? </strong> A)A B)B C)C D)D E)E <div style=padding-top: 35px>

A)A
B)B
C)C
D)D
E)E
Question
Which of these forms represents how an amino acid exists under physiological conditions?

A) <strong>Which of these forms represents how an amino acid exists under physiological conditions?</strong> A) B) C) D) E) <div style=padding-top: 35px>
B) <strong>Which of these forms represents how an amino acid exists under physiological conditions?</strong> A) B) C) D) E) <div style=padding-top: 35px>
C) <strong>Which of these forms represents how an amino acid exists under physiological conditions?</strong> A) B) C) D) E) <div style=padding-top: 35px>
D) <strong>Which of these forms represents how an amino acid exists under physiological conditions?</strong> A) B) C) D) E) <div style=padding-top: 35px>
E) <strong>Which of these forms represents how an amino acid exists under physiological conditions?</strong> A) B) C) D) E) <div style=padding-top: 35px>
Question
The following molecule is formed by three amino acids: Identify the alpha carbons using the numbers as shown. <strong>The following molecule is formed by three amino acids: Identify the alpha carbons using the numbers as shown. </strong> A)1, 2 B)3, 5, 8 C)1, 3, 5 D)2, 3, 8 E)1, 3, 6 <div style=padding-top: 35px>

A)1, 2
B)3, 5, 8
C)1, 3, 5
D)2, 3, 8
E)1, 3, 6
Question
Which of the following tripeptides could not be formed by a combination of glycine, cysteine, and isoleucine.

A)Gly-Cys-Ile
B)Gly-Ile-Cys
C)Ile-Gly-Cys
D)Cys-Ile-Gly
E)All of these are possible.
Question
Which amino acid contains a polar side chain?

A) <strong>Which amino acid contains a polar side chain?</strong> A) B) C) D) E) <div style=padding-top: 35px>
B) <strong>Which amino acid contains a polar side chain?</strong> A) B) C) D) E) <div style=padding-top: 35px>
C) <strong>Which amino acid contains a polar side chain?</strong> A) B) C) D) E) <div style=padding-top: 35px>
D) <strong>Which amino acid contains a polar side chain?</strong> A) B) C) D) E) <div style=padding-top: 35px>
E) <strong>Which amino acid contains a polar side chain?</strong> A) B) C) D) E) <div style=padding-top: 35px>
Question
Which of the amino acids contains an acidic side chain?

A) <strong>Which of the amino acids contains an acidic side chain?</strong> A) B) C) D) E) <div style=padding-top: 35px>
B) <strong>Which of the amino acids contains an acidic side chain?</strong> A) B) C) D) E) <div style=padding-top: 35px>
C) <strong>Which of the amino acids contains an acidic side chain?</strong> A) B) C) D) E) <div style=padding-top: 35px>
D) <strong>Which of the amino acids contains an acidic side chain?</strong> A) B) C) D) E) <div style=padding-top: 35px>
E) <strong>Which of the amino acids contains an acidic side chain?</strong> A) B) C) D) E) <div style=padding-top: 35px>
Question
The following peptide is formed from two amino acids: Which of the following correctly identifies the peptide bond as indicated by the circled bond? <strong>The following peptide is formed from two amino acids: Which of the following correctly identifies the peptide bond as indicated by the circled bond? </strong> A)A B)B C)C D)D E)E <div style=padding-top: 35px> <strong>The following peptide is formed from two amino acids: Which of the following correctly identifies the peptide bond as indicated by the circled bond? </strong> A)A B)B C)C D)D E)E <div style=padding-top: 35px>

A)A
B)B
C)C
D)D
E)E
Question
Which of the amino acids is a building block for proteins?

A) <strong>Which of the amino acids is a building block for proteins?</strong> A) B) C) D) E) <div style=padding-top: 35px>
B) <strong>Which of the amino acids is a building block for proteins?</strong> A) B) C) D) E) <div style=padding-top: 35px>
C) <strong>Which of the amino acids is a building block for proteins?</strong> A) B) C) D) E) <div style=padding-top: 35px>
D) <strong>Which of the amino acids is a building block for proteins?</strong> A) B) C) D) E) <div style=padding-top: 35px>
E) <strong>Which of the amino acids is a building block for proteins?</strong> A) B) C) D) E) <div style=padding-top: 35px>
Question
Which of the following could be formed by reaction of Met-Thr-Arg with Ser?

A)Met-Thr-Arg
B)Ser-Met-Thr-Arg
C)Met-Ser-Thr-Arg
D)Met-Thr-Ser-Arg
E)Met-Ser-Arg
Question
The following molecule is formed by two amino acids: Identify the alpha carbons (using the numbers as shown) and the side chains for each amino acid in the molecule. <strong>The following molecule is formed by two amino acids: Identify the alpha carbons (using the numbers as shown) and the side chains for each amino acid in the molecule. </strong> A)2, 4; CH<sub>3</sub>, CH<sub>2</sub>SH B)1, 6; CHNH<sub>2</sub>, SH C)2, 3; CH<sub>3</sub>, CO D)2, 4; NH<sub>2</sub>, CO<sub>2</sub>H E)2, 6; CH<sub>3</sub>, SH <div style=padding-top: 35px>

A)2, 4; CH3, CH2SH
B)1, 6; CHNH2, SH
C)2, 3; CH3, CO
D)2, 4; NH2, CO2H
E)2, 6; CH3, SH
Question
Which of the following correctly shows the product of the reaction between serine and glycine? <strong>Which of the following correctly shows the product of the reaction between serine and glycine? </strong> A)A B)B C)C D)D E)E <div style=padding-top: 35px>

A)A
B)B
C)C
D)D
E)E
Question
Which of the following tripeptides contain one each of serine, glycine, and cysteine?

A)Ser-Gly-Cys
B)Ser-Gly-Ile
C)Gly-Gly-Ser
D)Gly-Ser-Gly
E)Sin-Gin-Cin
Question
Which type of protein structure describes the order of amino acids in a protein?

A)primary
B)secondary
C)tertiary
D)quaternary
E)peptide bond
Question
How many different amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? <strong>How many different amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A)1 B)2 C)3 D)4 E)5 <div style=padding-top: 35px>

A)1
B)2
C)3
D)4
E)5
Question
Identify the two classes of nucleic acids.

A)ribonucleic acid and deoxyribonucleic acid
B)alpha helix and pleated sheet
C)dipeptide and tripeptide
D)primary and secondary
E)globular and fibrous
Question
Which of the following is not a base found in RNA?

A) <strong>Which of the following is not a base found in RNA?</strong> A) B) C) D) E) <div style=padding-top: 35px>
B) <strong>Which of the following is not a base found in RNA?</strong> A) B) C) D) E) <div style=padding-top: 35px>
C) <strong>Which of the following is not a base found in RNA?</strong> A) B) C) D) E) <div style=padding-top: 35px>
D) <strong>Which of the following is not a base found in RNA?</strong> A) B) C) D) E) <div style=padding-top: 35px>
E) <strong>Which of the following is not a base found in RNA?</strong> A) B) C) D) E) <div style=padding-top: 35px>
Question
Which type of protein structure describes the way in which the various regions of secondary structure in a protein are arranged into a three-dimensional shape?

A)primary
B)secondary
C)tertiary
D)quaternary
E)pleated sheet
Question
Which type of protein structure is illustrated by this image of bacterial protein G? <strong>Which type of protein structure is illustrated by this image of bacterial protein G? </strong> A)primary B)secondary C)tertiary D)quaternary E)helical <div style=padding-top: 35px>

A)primary
B)secondary
C)tertiary
D)quaternary
E)helical
Question
Which type of protein structure is illustrated by this image of hexokinase? <strong>Which type of protein structure is illustrated by this image of hexokinase? </strong> A)primary B)secondary C)tertiary D)quaternary E)helical <div style=padding-top: 35px>

A)primary
B)secondary
C)tertiary
D)quaternary
E)helical
Question
How many different amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? <strong>How many different amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A)1 B)2 C)3 D)4 E)5 <div style=padding-top: 35px>

A)1
B)2
C)3
D)4
E)5
Question
What are the parts of a nucleic acid?

A)sugar and nitrogen base
B)sugar and phosphate group
C)sugar and phosphorus base
D)sugar, phosphate group, and nitrogen base
E)phosphate group and nitrogen base
Question
_____ is one of a class of organic polymers making up most body tissue that is characterized by the presence of peptide bonds and formed by the polymerization of amino acids.

A)A dipeptide
B)A tripeptide
C)A protein
D)DNA
E)A carbohydrate
Question
Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? <strong>Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A) B) C) D) E) <div style=padding-top: 35px>

A) <strong>Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A) B) C) D) E) <div style=padding-top: 35px>
B) <strong>Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A) B) C) D) E) <div style=padding-top: 35px>
C) <strong>Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A) B) C) D) E) <div style=padding-top: 35px>
D) <strong>Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A) B) C) D) E) <div style=padding-top: 35px>
E) <strong>Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A) B) C) D) E) <div style=padding-top: 35px>
Question
Which type of protein structure results from the association in a protein of two or more polypeptide chains?

A)primary
B)secondary
C)tertiary
D)quaternary
E)globular
Question
What is the fundamental unit of a nucleic acid polymer, consisting of a sugar molecule bonded to both a phosphate group and an organic, nitrogen-containing base?

A)nucleotide
B)nucleic acid
C)tripeptide
D)monomer
E)triglyceride
Question
Which of the following structures is the sugar found in DNA?

A) <strong>Which of the following structures is the sugar found in DNA?</strong> A) B) C) D) E) <div style=padding-top: 35px>
B) <strong>Which of the following structures is the sugar found in DNA?</strong> A) B) C) D) E) <div style=padding-top: 35px>
C) <strong>Which of the following structures is the sugar found in DNA?</strong> A) B) C) D) E) <div style=padding-top: 35px>
D) <strong>Which of the following structures is the sugar found in DNA?</strong> A) B) C) D) E) <div style=padding-top: 35px>
E) <strong>Which of the following structures is the sugar found in DNA?</strong> A) B) C) D) E) <div style=padding-top: 35px>
Question
Which of the following structures is the sugar found in RNA?

A) <strong>Which of the following structures is the sugar found in RNA?</strong> A) B) C) D) E) <div style=padding-top: 35px>
B) <strong>Which of the following structures is the sugar found in RNA?</strong> A) B) C) D) E) <div style=padding-top: 35px>
C) <strong>Which of the following structures is the sugar found in RNA?</strong> A) B) C) D) E) <div style=padding-top: 35px>
D) <strong>Which of the following structures is the sugar found in RNA?</strong> A) B) C) D) E) <div style=padding-top: 35px>
E) <strong>Which of the following structures is the sugar found in RNA?</strong> A) B) C) D) E) <div style=padding-top: 35px>
Question
How many different amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? <strong>How many different amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A)1 B)2 C)3 D)4 E)5 <div style=padding-top: 35px>

A)1
B)2
C)3
D)4
E)5
Question
Which of the following will denature proteins?

A)heating
B)strong mixing
C)adding strong acids
D)adding a nonaqueous solvent
E)all of these
Question
Which of the following is not a base found in DNA?

A) <strong>Which of the following is not a base found in DNA?</strong> A) B) C) D) E) <div style=padding-top: 35px>
B) <strong>Which of the following is not a base found in DNA?</strong> A) B) C) D) E) <div style=padding-top: 35px>
C) <strong>Which of the following is not a base found in DNA?</strong> A) B) C) D) E) <div style=padding-top: 35px>
D) <strong>Which of the following is not a base found in DNA?</strong> A) B) C) D) E) <div style=padding-top: 35px>
E) <strong>Which of the following is not a base found in DNA?</strong> A) B) C) D) E) <div style=padding-top: 35px>
Question
Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? <strong>Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A) B) C) D) E) <div style=padding-top: 35px>

A) <strong>Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A) B) C) D) E) <div style=padding-top: 35px>
B) <strong>Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A) B) C) D) E) <div style=padding-top: 35px>
C) <strong>Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A) B) C) D) E) <div style=padding-top: 35px>
D) <strong>Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A) B) C) D) E) <div style=padding-top: 35px>
E) <strong>Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A) B) C) D) E) <div style=padding-top: 35px>
Question
How many different amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? <strong>How many different amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A)0 B)1 C)2 D)3 E)4 <div style=padding-top: 35px>

A)0
B)1
C)2
D)3
E)4
Question
A portion of one strand in a DNA molecule has the following sequence of bases: AATAGCAGGCTTA Identify the sequence of bases in the other strand of the DNA molecule that would hydrogen-bond to these bases.

A)TTATCGTCCGAAT
B)GGCGATGAATCCG
C)CCGCTACTTAGGC
D)AATAGCAGGCTTA
E)TTGTACTAACGGT
Question
A portion of a DNA strand has the following base sequence: GACTAACCTT What is the corresponding base sequence in mRNA transcribed from this DNA?

A)CUGAUUGGAA
B)CTGATTGGAA
C)CTGUTTGGAA
D)CTUATTUUAA
E)GACTAACCTT
Question
Identify the following structure: <strong>Identify the following structure: </strong> A)amino acid B)DNA C)lipid D)nucleotide E)glucose <div style=padding-top: 35px>

A)amino acid
B)DNA
C)lipid
D)nucleotide
E)glucose
Question
Identify the sugar and nucleic acid in which this structure would be found. <strong>Identify the sugar and nucleic acid in which this structure would be found. </strong> A)ribose, DNA B)deoxyribose, RNA C)ribose, RNA D)deoxyribose, DNA E)glucose, gluconic acid <div style=padding-top: 35px>

A)ribose, DNA
B)deoxyribose, RNA
C)ribose, RNA
D)deoxyribose, DNA
E)glucose, gluconic acid
Question
Which of the following corresponds to the process of copying DNA to make new DNA molecules?

A)replication
B)codonation
C)hydrolysis
D)translation
E)transcription
Question
Which of the following is present in DNA but not found in RNA?

A)adenine
B)thymine
C)uracil
D)cytosine
E)guanine
Question
Which of the following takes the genetic code from DNA to the ribosomes for protein synthesis?

A)DNA
B)gly
C)mRNA
D)tRNA
E)mDNA
Question
Which of the following is present in RNA but not found in DNA?

A)adenine
B)thymine
C)uracil
D)cytosine
E)guanine
Question
If the base sequence in a portion of a strand of DNA is ACTAAGATC, what is the base sequence in the strand of mRNA transcribed from this DNA?

A)ACTAAGATC
B)TUATTCTAU
C)UGAUUCUAG
D)TGUTTCTUG
E)TGATTCTAG
Question
If the codon in mRNA is UUU, what anticodon in tRNA allows it to hydrogen bond to the mRNA?

A)TTT
B)CCC
C)AAA
D)UUU
E)GGG
Question
A portion of one strand in a DNA molecule has the following sequence of bases: TTAGCCAGTGCTA Identify the sequence of bases in the other strand of the DNA molecule that would hydrogen bond to these bases.

A)CCGATTGACATCG
B)GGCTAACTGTAGC
C)AATCGGTCACGAT
D)TTAGCCAGTGCTA
E)GGTACCTAGACGT
Question
Which of the following corresponds to the process of synthesizing various types of RNA?

A)replication
B)codonation
C)hydrolysis
D)translation
E)transcription
Question
If the anticodon in tRNA is CAG, what codon is needed in mRNA to allow them to hydrogen bond?

A)GUC
B)CAG
C)GTC
D)TUC
E)TCA
Question
If the base sequence in a portion of a strand of DNA is TTGGAGTACC, what is the base sequence in the strand of mRNA transcribed from this DNA?

A)TTGGAGTACC
B)AACCTCATGG
C)UUCCTCUTGG
D)AACCTCATUU
E)AACCUCAUGG
Question
A portion of a DNA strand has the following base sequence: TTAACGCGATA What is the corresponding base sequence in mRNA transcribed from this DNA?

A)AAUUGCGCUAU
B)AATTGCGCTAT
C)UUTTGCGCTUT
D)TTAACGCGATA
E)AATTUCUCTAT
Question
What is a high-molar-mass nucleic acid that stores genetic information and has a double helix structure?

A)tRNA
B)mRNA
C)DNA
D)dRNA
E)cytoplasm
Question
A portion of one strand in a DNA molecule has the following sequence of bases: ATATCGTCCGAA Identify the sequence of bases in the other strand of the DNA molecule that would hydrogen bond to these bases.

A)TGTGCAGCCATT
B)CGCGATGAATCC
C)ATATCGTCCGAA
D)TATAGCAGGCTT
E)GCGCTACTTAGG
Question
A portion of one strand in a DNA molecule has the following sequence of bases: CGGAATTTACG Identify the sequence of bases in the other strand of the DNA molecule that would hydrogen-bond to these bases.

A)CGGAATTTACG
B)GCCTTAAATGC
C)CAATTGGGTCA
D)TAAGGCCCGTA
E)ATTCCGGGCAT
Question
What is the series of three bases in a nucleic acid that defines the amino acid to be used in the synthesis of a protein?

A)nucleotide
B)codon
C)tripeptide
D)translation
E)amino acid
Question
Which of the following corresponds to the process of using RNA molecules to synthesize protein molecules from amino acids?

A)replication
B)codonation
C)hydrolysis
D)translation
E)transcription
Question
Which of the following provides the most branching sites for glucose removal when energy is needed by the body?

A)amylose
B)amylopectin
C)glycogen
D)triglyceride
E)deoxyribonucleic acid
Question
The bonds that hold sugars together in polysaccharides are

A)ether linkages
B)peptide bonds
C)disulfide linkages
D)carbon-carbon covalent bond
E)ionic bonds
Question
A triglyceride contains the following fatty acid.Is this triglyceride a fat or an oil? Is it a liquid or a solid? Is it saturated or unsaturated? <strong>A triglyceride contains the following fatty acid.Is this triglyceride a fat or an oil? Is it a liquid or a solid? Is it saturated or unsaturated? </strong> A)solid fat, unsaturated B)solid fat, saturated C)liquid fat, unsaturated D)liquid oil, unsaturated E)liquid oil, saturated <div style=padding-top: 35px>

A)solid fat, unsaturated
B)solid fat, saturated
C)liquid fat, unsaturated
D)liquid oil, unsaturated
E)liquid oil, saturated
Question
What types of glucose polymers are present in starch?

A)glycogen and cellulose
B)cellulose and fatty acids
C)amylose and amylopectin
D)adenine and guanine
E)polypeptides and nucleic acids
Question
A triglyceride is formed from the following fatty acid.Is this triglyceride a fat or an oil? Is it a solid or a liquid? Is it saturated or unsaturated? <strong>A triglyceride is formed from the following fatty acid.Is this triglyceride a fat or an oil? Is it a solid or a liquid? Is it saturated or unsaturated? </strong> A)solid fat, unsaturated B)solid fat, saturated C)liquid fat, unsaturated D)liquid oil, unsaturated E)liquid oil, saturated <div style=padding-top: 35px>

A)solid fat, unsaturated
B)solid fat, saturated
C)liquid fat, unsaturated
D)liquid oil, unsaturated
E)liquid oil, saturated
Question
The beginning of a strand of mRNA has the following base sequence: AUG_UUA_UAU_UGC_UUA_ACU_GUU_UAU.The polypeptide formed by the first seven steps of protein synthesis has the sequence Met-Leu-Tyr-Cys-Leu-Thr-Val.What is the next amino acid to be added to the polypeptide chain?

A)Cys
B)Leu
C)Met
D)Thr
E)Tyr
Question
Identify the type of carbohydrate shown in this model. <strong>Identify the type of carbohydrate shown in this model. </strong> A)monosaccharide B)disaccharide C)polysaccharide D)pentose E)cellulose <div style=padding-top: 35px>

A)monosaccharide
B)disaccharide
C)polysaccharide
D)pentose
E)cellulose
Question
Glucose is a hexose sugar with the formula C6H12O6.Which of the following is β\beta -glucose?

A) <strong>Glucose is a hexose sugar with the formula C<sub>6</sub>H<sub>12</sub>O<sub>6</sub>.Which of the following is \beta -glucose?</strong> A) B) C) D) E) <div style=padding-top: 35px>
B) <strong>Glucose is a hexose sugar with the formula C<sub>6</sub>H<sub>12</sub>O<sub>6</sub>.Which of the following is \beta -glucose?</strong> A) B) C) D) E) <div style=padding-top: 35px>
C) <strong>Glucose is a hexose sugar with the formula C<sub>6</sub>H<sub>12</sub>O<sub>6</sub>.Which of the following is \beta -glucose?</strong> A) B) C) D) E) <div style=padding-top: 35px>
D) <strong>Glucose is a hexose sugar with the formula C<sub>6</sub>H<sub>12</sub>O<sub>6</sub>.Which of the following is \beta -glucose?</strong> A) B) C) D) E) <div style=padding-top: 35px>
E) <strong>Glucose is a hexose sugar with the formula C<sub>6</sub>H<sub>12</sub>O<sub>6</sub>.Which of the following is \beta -glucose?</strong> A) B) C) D) E) <div style=padding-top: 35px>
Question
A triglyceride contains the following fatty acid.Is this triglyceride a solid fat or a liquid oil? Is it saturated or unsaturated? Does it contain cis or trans arrangements at the double bonds? <strong>A triglyceride contains the following fatty acid.Is this triglyceride a solid fat or a liquid oil? Is it saturated or unsaturated? Does it contain cis or trans arrangements at the double bonds? </strong> A)liquid oil, saturated, trans B)liquid oil, saturated, cis C)liquid oil, unsaturated, cis and trans D)solid fat, saturated, cis E)solid fat, unsaturated, trans <div style=padding-top: 35px>

A)liquid oil, saturated, trans
B)liquid oil, saturated, cis
C)liquid oil, unsaturated, cis and trans
D)solid fat, saturated, cis
E)solid fat, unsaturated, trans
Question
Glucose is a hexose sugar with the formula C6H12O6.Which of the following is α\alpha -glucose?

A) <strong>Glucose is a hexose sugar with the formula C<sub>6</sub>H<sub>12</sub>O<sub>6</sub>.Which of the following is \alpha -glucose?</strong> A) B) C) D) E) <div style=padding-top: 35px>
B) <strong>Glucose is a hexose sugar with the formula C<sub>6</sub>H<sub>12</sub>O<sub>6</sub>.Which of the following is \alpha -glucose?</strong> A) B) C) D) E) <div style=padding-top: 35px>
C) <strong>Glucose is a hexose sugar with the formula C<sub>6</sub>H<sub>12</sub>O<sub>6</sub>.Which of the following is \alpha -glucose?</strong> A) B) C) D) E) <div style=padding-top: 35px>
D) <strong>Glucose is a hexose sugar with the formula C<sub>6</sub>H<sub>12</sub>O<sub>6</sub>.Which of the following is \alpha -glucose?</strong> A) B) C) D) E) <div style=padding-top: 35px>
E) <strong>Glucose is a hexose sugar with the formula C<sub>6</sub>H<sub>12</sub>O<sub>6</sub>.Which of the following is \alpha -glucose?</strong> A) B) C) D) E) <div style=padding-top: 35px>
Question
The beginning of a strand of mRNA has the following base sequence: AUGCUUCCCCAACGAUUUCGACUU.The polypeptide formed by the first six steps of protein synthesis has the composition Met-Leu-Pro-Gln-Arg-Phe.What is the next amino acid to be added to the polypeptide chain?

A)Arg
B)Gln
C)Leu
D)Met
E)Phe
Question
A general class of biological molecules that can be extracted from cells by nonpolar solvents is called:

A)carbohydrates
B)proteins
C)cytoplasm
D)lipids
E)amino acids
Question
The beginning of a strand of mRNA has the following base sequence: AUGUUUUUGCCUCAUCGUUUGCAU.The polypeptide formed by the first six steps of protein synthesis has the sequence Met-Phe-Leu-Pro-His-Arg.What is the next amino acid to be added to the polypeptide chain?

A)Arg
B)His
C)Leu
D)Met
E)Phe
Question
Identify the type of carbohydrate shown in this model. <strong>Identify the type of carbohydrate shown in this model. </strong> A)monosaccharide B)disaccharide C)polysaccharide D)pentose E)cellulose <div style=padding-top: 35px>

A)monosaccharide
B)disaccharide
C)polysaccharide
D)pentose
E)cellulose
Question
Which of the following best describes this molecule? <strong>Which of the following best describes this molecule? </strong> A)saturated fatty acid B)cis unsaturated fatty acid C)trans unsaturated fatty acid D)nucleic acid E)protein <div style=padding-top: 35px>

A)saturated fatty acid
B)cis unsaturated fatty acid
C)trans unsaturated fatty acid
D)nucleic acid
E)protein
Question
Examine the following model of a carbohydrate and classify the molecule. <strong>Examine the following model of a carbohydrate and classify the molecule. </strong> A)monosaccharide B)disaccharide C)polysaccharide D)glycogen E)cellulose <div style=padding-top: 35px>

A)monosaccharide
B)disaccharide
C)polysaccharide
D)glycogen
E)cellulose
Question
What is the class of biomolecules that serves as a source of energy, is composed of carbon, hydrogen, and oxygen, and has the general formula Cn(H2O)m?

A)nucleic acids
B)sugars
C)celluloses
D)carbohydrates
E)proteins
Question
Examine the following model of a portion of a carbohydrate and classify the molecule. <strong>Examine the following model of a portion of a carbohydrate and classify the molecule. </strong> A)monosaccharide B)disaccharide C)polysaccharide D)pentose E)sucrose <div style=padding-top: 35px>

A)monosaccharide
B)disaccharide
C)polysaccharide
D)pentose
E)sucrose
Question
The beginning of a strand of mRNA has the following base sequence: AUGUUCUCUGAUGGCAAUUCU.The polypeptide formed by the first six steps of protein synthesis has the composition Met-Phe-Ser-Asp-Gly-Asn.What is the next amino acid to be added to the polypeptide chain?

A)Asn
B)Asp
C)Met
D)Phe
E)Ser
Question
Which of the following best describes this molecule? <strong>Which of the following best describes this molecule? </strong> A)saturated fatty acid B)cis unsaturated fatty acid C)trans unsaturated fatty acid D)nucleic acid E)protein <div style=padding-top: 35px>

A)saturated fatty acid
B)cis unsaturated fatty acid
C)trans unsaturated fatty acid
D)nucleic acid
E)protein
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Deck 17: Biochemistry
1
The following peptide is formed from two amino acids: Which of the following correctly identifies the alpha carbons as indicated by the circled atoms? <strong>The following peptide is formed from two amino acids: Which of the following correctly identifies the alpha carbons as indicated by the circled atoms? </strong> A)A B)B C)C D)D E)E <strong>The following peptide is formed from two amino acids: Which of the following correctly identifies the alpha carbons as indicated by the circled atoms? </strong> A)A B)B C)C D)D E)E

A)A
B)B
C)C
D)D
E)E
B
2
The following molecule is formed by three amino acids: Identify the alpha carbons (using the numbers as shown) and the side chains for each amino acid in the molecule. <strong>The following molecule is formed by three amino acids: Identify the alpha carbons (using the numbers as shown) and the side chains for each amino acid in the molecule. </strong> A)1, 2; H, CO B)3, 5, 8; CH<sub>3</sub>, CO, CH<sub>2</sub>(CH<sub>3</sub>)<sub>2</sub><sub> </sub> C)1, 3, 5; H, CH<sub>3</sub>, CO D)2, 3, 8; CO, CH<sub>3</sub>, CH<sub>3</sub><sub> </sub> E)1, 3, 6; H, CH<sub>3</sub>, CH<sub>2</sub>(CH<sub>3</sub>)<sub>2</sub><sub> </sub>

A)1, 2; H, CO
B)3, 5, 8; CH3, CO, CH2(CH3)2
C)1, 3, 5; H, CH3, CO
D)2, 3, 8; CO, CH3, CH3
E)1, 3, 6; H, CH3, CH2(CH3)2
1, 3, 6; H, CH3, CH2(CH3)2
3
The following peptide is formed from two amino acids: Which of the following correctly identifies the alpha carbons as indicated by the circled atoms? <strong>The following peptide is formed from two amino acids: Which of the following correctly identifies the alpha carbons as indicated by the circled atoms? </strong> A)A B)B C)C D)D E)E <strong>The following peptide is formed from two amino acids: Which of the following correctly identifies the alpha carbons as indicated by the circled atoms? </strong> A)A B)B C)C D)D E)E

A)A
B)B
C)C
D)D
E)E
C
4
The following molecule is formed by two amino acids: Identify the alpha carbons using the numbers as shown. <strong>The following molecule is formed by two amino acids: Identify the alpha carbons using the numbers as shown. </strong> A)2, 4 B)1, 6 C)2, 3 D)2, 6

A)2, 4
B)1, 6
C)2, 3
D)2, 6
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5
The following peptide is formed from two amino acids: Which of the following correctly identifies the peptide bond as indicated by the circled bond? <strong>The following peptide is formed from two amino acids: Which of the following correctly identifies the peptide bond as indicated by the circled bond? </strong> A)A B)B C)C D)D E)E <strong>The following peptide is formed from two amino acids: Which of the following correctly identifies the peptide bond as indicated by the circled bond? </strong> A)A B)B C)C D)D E)E

A)A
B)B
C)C
D)D
E)E
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6
Which of the amino acids contains a basic side chain?

A) <strong>Which of the amino acids contains a basic side chain?</strong> A) B) C) D) E)
B) <strong>Which of the amino acids contains a basic side chain?</strong> A) B) C) D) E)
C) <strong>Which of the amino acids contains a basic side chain?</strong> A) B) C) D) E)
D) <strong>Which of the amino acids contains a basic side chain?</strong> A) B) C) D) E)
E) <strong>Which of the amino acids contains a basic side chain?</strong> A) B) C) D) E)
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7
Which amino acid contains a nonpolar side chain?

A) <strong>Which amino acid contains a nonpolar side chain?</strong> A) B) C) D) E)
B) <strong>Which amino acid contains a nonpolar side chain?</strong> A) B) C) D) E)
C) <strong>Which amino acid contains a nonpolar side chain?</strong> A) B) C) D) E)
D) <strong>Which amino acid contains a nonpolar side chain?</strong> A) B) C) D) E)
E) <strong>Which amino acid contains a nonpolar side chain?</strong> A) B) C) D) E)
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8
Which of the following is not a building block for proteins?

A) <strong>Which of the following is not a building block for proteins?</strong> A) B) C) D) E)
B) <strong>Which of the following is not a building block for proteins?</strong> A) B) C) D) E)
C) <strong>Which of the following is not a building block for proteins?</strong> A) B) C) D) E)
D) <strong>Which of the following is not a building block for proteins?</strong> A) B) C) D) E)
E) <strong>Which of the following is not a building block for proteins?</strong> A) B) C) D) E)
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9
Which of the following correctly shows the product of the reaction between serine and alanine? <strong>Which of the following correctly shows the product of the reaction between serine and alanine? </strong> A)A B)B C)C D)D E)E

A)A
B)B
C)C
D)D
E)E
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10
Which of these forms represents how an amino acid exists under physiological conditions?

A) <strong>Which of these forms represents how an amino acid exists under physiological conditions?</strong> A) B) C) D) E)
B) <strong>Which of these forms represents how an amino acid exists under physiological conditions?</strong> A) B) C) D) E)
C) <strong>Which of these forms represents how an amino acid exists under physiological conditions?</strong> A) B) C) D) E)
D) <strong>Which of these forms represents how an amino acid exists under physiological conditions?</strong> A) B) C) D) E)
E) <strong>Which of these forms represents how an amino acid exists under physiological conditions?</strong> A) B) C) D) E)
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11
The following molecule is formed by three amino acids: Identify the alpha carbons using the numbers as shown. <strong>The following molecule is formed by three amino acids: Identify the alpha carbons using the numbers as shown. </strong> A)1, 2 B)3, 5, 8 C)1, 3, 5 D)2, 3, 8 E)1, 3, 6

A)1, 2
B)3, 5, 8
C)1, 3, 5
D)2, 3, 8
E)1, 3, 6
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12
Which of the following tripeptides could not be formed by a combination of glycine, cysteine, and isoleucine.

A)Gly-Cys-Ile
B)Gly-Ile-Cys
C)Ile-Gly-Cys
D)Cys-Ile-Gly
E)All of these are possible.
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13
Which amino acid contains a polar side chain?

A) <strong>Which amino acid contains a polar side chain?</strong> A) B) C) D) E)
B) <strong>Which amino acid contains a polar side chain?</strong> A) B) C) D) E)
C) <strong>Which amino acid contains a polar side chain?</strong> A) B) C) D) E)
D) <strong>Which amino acid contains a polar side chain?</strong> A) B) C) D) E)
E) <strong>Which amino acid contains a polar side chain?</strong> A) B) C) D) E)
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14
Which of the amino acids contains an acidic side chain?

A) <strong>Which of the amino acids contains an acidic side chain?</strong> A) B) C) D) E)
B) <strong>Which of the amino acids contains an acidic side chain?</strong> A) B) C) D) E)
C) <strong>Which of the amino acids contains an acidic side chain?</strong> A) B) C) D) E)
D) <strong>Which of the amino acids contains an acidic side chain?</strong> A) B) C) D) E)
E) <strong>Which of the amino acids contains an acidic side chain?</strong> A) B) C) D) E)
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15
The following peptide is formed from two amino acids: Which of the following correctly identifies the peptide bond as indicated by the circled bond? <strong>The following peptide is formed from two amino acids: Which of the following correctly identifies the peptide bond as indicated by the circled bond? </strong> A)A B)B C)C D)D E)E <strong>The following peptide is formed from two amino acids: Which of the following correctly identifies the peptide bond as indicated by the circled bond? </strong> A)A B)B C)C D)D E)E

A)A
B)B
C)C
D)D
E)E
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16
Which of the amino acids is a building block for proteins?

A) <strong>Which of the amino acids is a building block for proteins?</strong> A) B) C) D) E)
B) <strong>Which of the amino acids is a building block for proteins?</strong> A) B) C) D) E)
C) <strong>Which of the amino acids is a building block for proteins?</strong> A) B) C) D) E)
D) <strong>Which of the amino acids is a building block for proteins?</strong> A) B) C) D) E)
E) <strong>Which of the amino acids is a building block for proteins?</strong> A) B) C) D) E)
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17
Which of the following could be formed by reaction of Met-Thr-Arg with Ser?

A)Met-Thr-Arg
B)Ser-Met-Thr-Arg
C)Met-Ser-Thr-Arg
D)Met-Thr-Ser-Arg
E)Met-Ser-Arg
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18
The following molecule is formed by two amino acids: Identify the alpha carbons (using the numbers as shown) and the side chains for each amino acid in the molecule. <strong>The following molecule is formed by two amino acids: Identify the alpha carbons (using the numbers as shown) and the side chains for each amino acid in the molecule. </strong> A)2, 4; CH<sub>3</sub>, CH<sub>2</sub>SH B)1, 6; CHNH<sub>2</sub>, SH C)2, 3; CH<sub>3</sub>, CO D)2, 4; NH<sub>2</sub>, CO<sub>2</sub>H E)2, 6; CH<sub>3</sub>, SH

A)2, 4; CH3, CH2SH
B)1, 6; CHNH2, SH
C)2, 3; CH3, CO
D)2, 4; NH2, CO2H
E)2, 6; CH3, SH
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19
Which of the following correctly shows the product of the reaction between serine and glycine? <strong>Which of the following correctly shows the product of the reaction between serine and glycine? </strong> A)A B)B C)C D)D E)E

A)A
B)B
C)C
D)D
E)E
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20
Which of the following tripeptides contain one each of serine, glycine, and cysteine?

A)Ser-Gly-Cys
B)Ser-Gly-Ile
C)Gly-Gly-Ser
D)Gly-Ser-Gly
E)Sin-Gin-Cin
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21
Which type of protein structure describes the order of amino acids in a protein?

A)primary
B)secondary
C)tertiary
D)quaternary
E)peptide bond
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22
How many different amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? <strong>How many different amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A)1 B)2 C)3 D)4 E)5

A)1
B)2
C)3
D)4
E)5
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23
Identify the two classes of nucleic acids.

A)ribonucleic acid and deoxyribonucleic acid
B)alpha helix and pleated sheet
C)dipeptide and tripeptide
D)primary and secondary
E)globular and fibrous
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24
Which of the following is not a base found in RNA?

A) <strong>Which of the following is not a base found in RNA?</strong> A) B) C) D) E)
B) <strong>Which of the following is not a base found in RNA?</strong> A) B) C) D) E)
C) <strong>Which of the following is not a base found in RNA?</strong> A) B) C) D) E)
D) <strong>Which of the following is not a base found in RNA?</strong> A) B) C) D) E)
E) <strong>Which of the following is not a base found in RNA?</strong> A) B) C) D) E)
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25
Which type of protein structure describes the way in which the various regions of secondary structure in a protein are arranged into a three-dimensional shape?

A)primary
B)secondary
C)tertiary
D)quaternary
E)pleated sheet
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26
Which type of protein structure is illustrated by this image of bacterial protein G? <strong>Which type of protein structure is illustrated by this image of bacterial protein G? </strong> A)primary B)secondary C)tertiary D)quaternary E)helical

A)primary
B)secondary
C)tertiary
D)quaternary
E)helical
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27
Which type of protein structure is illustrated by this image of hexokinase? <strong>Which type of protein structure is illustrated by this image of hexokinase? </strong> A)primary B)secondary C)tertiary D)quaternary E)helical

A)primary
B)secondary
C)tertiary
D)quaternary
E)helical
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28
How many different amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? <strong>How many different amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A)1 B)2 C)3 D)4 E)5

A)1
B)2
C)3
D)4
E)5
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29
What are the parts of a nucleic acid?

A)sugar and nitrogen base
B)sugar and phosphate group
C)sugar and phosphorus base
D)sugar, phosphate group, and nitrogen base
E)phosphate group and nitrogen base
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30
_____ is one of a class of organic polymers making up most body tissue that is characterized by the presence of peptide bonds and formed by the polymerization of amino acids.

A)A dipeptide
B)A tripeptide
C)A protein
D)DNA
E)A carbohydrate
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31
Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? <strong>Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A) B) C) D) E)

A) <strong>Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A) B) C) D) E)
B) <strong>Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A) B) C) D) E)
C) <strong>Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A) B) C) D) E)
D) <strong>Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A) B) C) D) E)
E) <strong>Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A) B) C) D) E)
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32
Which type of protein structure results from the association in a protein of two or more polypeptide chains?

A)primary
B)secondary
C)tertiary
D)quaternary
E)globular
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33
What is the fundamental unit of a nucleic acid polymer, consisting of a sugar molecule bonded to both a phosphate group and an organic, nitrogen-containing base?

A)nucleotide
B)nucleic acid
C)tripeptide
D)monomer
E)triglyceride
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34
Which of the following structures is the sugar found in DNA?

A) <strong>Which of the following structures is the sugar found in DNA?</strong> A) B) C) D) E)
B) <strong>Which of the following structures is the sugar found in DNA?</strong> A) B) C) D) E)
C) <strong>Which of the following structures is the sugar found in DNA?</strong> A) B) C) D) E)
D) <strong>Which of the following structures is the sugar found in DNA?</strong> A) B) C) D) E)
E) <strong>Which of the following structures is the sugar found in DNA?</strong> A) B) C) D) E)
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35
Which of the following structures is the sugar found in RNA?

A) <strong>Which of the following structures is the sugar found in RNA?</strong> A) B) C) D) E)
B) <strong>Which of the following structures is the sugar found in RNA?</strong> A) B) C) D) E)
C) <strong>Which of the following structures is the sugar found in RNA?</strong> A) B) C) D) E)
D) <strong>Which of the following structures is the sugar found in RNA?</strong> A) B) C) D) E)
E) <strong>Which of the following structures is the sugar found in RNA?</strong> A) B) C) D) E)
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36
How many different amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? <strong>How many different amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A)1 B)2 C)3 D)4 E)5

A)1
B)2
C)3
D)4
E)5
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37
Which of the following will denature proteins?

A)heating
B)strong mixing
C)adding strong acids
D)adding a nonaqueous solvent
E)all of these
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38
Which of the following is not a base found in DNA?

A) <strong>Which of the following is not a base found in DNA?</strong> A) B) C) D) E)
B) <strong>Which of the following is not a base found in DNA?</strong> A) B) C) D) E)
C) <strong>Which of the following is not a base found in DNA?</strong> A) B) C) D) E)
D) <strong>Which of the following is not a base found in DNA?</strong> A) B) C) D) E)
E) <strong>Which of the following is not a base found in DNA?</strong> A) B) C) D) E)
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39
Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? <strong>Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A) B) C) D) E)

A) <strong>Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A) B) C) D) E)
B) <strong>Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A) B) C) D) E)
C) <strong>Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A) B) C) D) E)
D) <strong>Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A) B) C) D) E)
E) <strong>Which amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A) B) C) D) E)
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40
How many different amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? <strong>How many different amino acids are obtained by hydrolyzing all the peptide bonds in the following polypeptide? </strong> A)0 B)1 C)2 D)3 E)4

A)0
B)1
C)2
D)3
E)4
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41
A portion of one strand in a DNA molecule has the following sequence of bases: AATAGCAGGCTTA Identify the sequence of bases in the other strand of the DNA molecule that would hydrogen-bond to these bases.

A)TTATCGTCCGAAT
B)GGCGATGAATCCG
C)CCGCTACTTAGGC
D)AATAGCAGGCTTA
E)TTGTACTAACGGT
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42
A portion of a DNA strand has the following base sequence: GACTAACCTT What is the corresponding base sequence in mRNA transcribed from this DNA?

A)CUGAUUGGAA
B)CTGATTGGAA
C)CTGUTTGGAA
D)CTUATTUUAA
E)GACTAACCTT
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43
Identify the following structure: <strong>Identify the following structure: </strong> A)amino acid B)DNA C)lipid D)nucleotide E)glucose

A)amino acid
B)DNA
C)lipid
D)nucleotide
E)glucose
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44
Identify the sugar and nucleic acid in which this structure would be found. <strong>Identify the sugar and nucleic acid in which this structure would be found. </strong> A)ribose, DNA B)deoxyribose, RNA C)ribose, RNA D)deoxyribose, DNA E)glucose, gluconic acid

A)ribose, DNA
B)deoxyribose, RNA
C)ribose, RNA
D)deoxyribose, DNA
E)glucose, gluconic acid
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45
Which of the following corresponds to the process of copying DNA to make new DNA molecules?

A)replication
B)codonation
C)hydrolysis
D)translation
E)transcription
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46
Which of the following is present in DNA but not found in RNA?

A)adenine
B)thymine
C)uracil
D)cytosine
E)guanine
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47
Which of the following takes the genetic code from DNA to the ribosomes for protein synthesis?

A)DNA
B)gly
C)mRNA
D)tRNA
E)mDNA
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48
Which of the following is present in RNA but not found in DNA?

A)adenine
B)thymine
C)uracil
D)cytosine
E)guanine
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49
If the base sequence in a portion of a strand of DNA is ACTAAGATC, what is the base sequence in the strand of mRNA transcribed from this DNA?

A)ACTAAGATC
B)TUATTCTAU
C)UGAUUCUAG
D)TGUTTCTUG
E)TGATTCTAG
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50
If the codon in mRNA is UUU, what anticodon in tRNA allows it to hydrogen bond to the mRNA?

A)TTT
B)CCC
C)AAA
D)UUU
E)GGG
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51
A portion of one strand in a DNA molecule has the following sequence of bases: TTAGCCAGTGCTA Identify the sequence of bases in the other strand of the DNA molecule that would hydrogen bond to these bases.

A)CCGATTGACATCG
B)GGCTAACTGTAGC
C)AATCGGTCACGAT
D)TTAGCCAGTGCTA
E)GGTACCTAGACGT
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52
Which of the following corresponds to the process of synthesizing various types of RNA?

A)replication
B)codonation
C)hydrolysis
D)translation
E)transcription
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53
If the anticodon in tRNA is CAG, what codon is needed in mRNA to allow them to hydrogen bond?

A)GUC
B)CAG
C)GTC
D)TUC
E)TCA
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54
If the base sequence in a portion of a strand of DNA is TTGGAGTACC, what is the base sequence in the strand of mRNA transcribed from this DNA?

A)TTGGAGTACC
B)AACCTCATGG
C)UUCCTCUTGG
D)AACCTCATUU
E)AACCUCAUGG
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55
A portion of a DNA strand has the following base sequence: TTAACGCGATA What is the corresponding base sequence in mRNA transcribed from this DNA?

A)AAUUGCGCUAU
B)AATTGCGCTAT
C)UUTTGCGCTUT
D)TTAACGCGATA
E)AATTUCUCTAT
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56
What is a high-molar-mass nucleic acid that stores genetic information and has a double helix structure?

A)tRNA
B)mRNA
C)DNA
D)dRNA
E)cytoplasm
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57
A portion of one strand in a DNA molecule has the following sequence of bases: ATATCGTCCGAA Identify the sequence of bases in the other strand of the DNA molecule that would hydrogen bond to these bases.

A)TGTGCAGCCATT
B)CGCGATGAATCC
C)ATATCGTCCGAA
D)TATAGCAGGCTT
E)GCGCTACTTAGG
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58
A portion of one strand in a DNA molecule has the following sequence of bases: CGGAATTTACG Identify the sequence of bases in the other strand of the DNA molecule that would hydrogen-bond to these bases.

A)CGGAATTTACG
B)GCCTTAAATGC
C)CAATTGGGTCA
D)TAAGGCCCGTA
E)ATTCCGGGCAT
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59
What is the series of three bases in a nucleic acid that defines the amino acid to be used in the synthesis of a protein?

A)nucleotide
B)codon
C)tripeptide
D)translation
E)amino acid
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60
Which of the following corresponds to the process of using RNA molecules to synthesize protein molecules from amino acids?

A)replication
B)codonation
C)hydrolysis
D)translation
E)transcription
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61
Which of the following provides the most branching sites for glucose removal when energy is needed by the body?

A)amylose
B)amylopectin
C)glycogen
D)triglyceride
E)deoxyribonucleic acid
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62
The bonds that hold sugars together in polysaccharides are

A)ether linkages
B)peptide bonds
C)disulfide linkages
D)carbon-carbon covalent bond
E)ionic bonds
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63
A triglyceride contains the following fatty acid.Is this triglyceride a fat or an oil? Is it a liquid or a solid? Is it saturated or unsaturated? <strong>A triglyceride contains the following fatty acid.Is this triglyceride a fat or an oil? Is it a liquid or a solid? Is it saturated or unsaturated? </strong> A)solid fat, unsaturated B)solid fat, saturated C)liquid fat, unsaturated D)liquid oil, unsaturated E)liquid oil, saturated

A)solid fat, unsaturated
B)solid fat, saturated
C)liquid fat, unsaturated
D)liquid oil, unsaturated
E)liquid oil, saturated
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64
What types of glucose polymers are present in starch?

A)glycogen and cellulose
B)cellulose and fatty acids
C)amylose and amylopectin
D)adenine and guanine
E)polypeptides and nucleic acids
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65
A triglyceride is formed from the following fatty acid.Is this triglyceride a fat or an oil? Is it a solid or a liquid? Is it saturated or unsaturated? <strong>A triglyceride is formed from the following fatty acid.Is this triglyceride a fat or an oil? Is it a solid or a liquid? Is it saturated or unsaturated? </strong> A)solid fat, unsaturated B)solid fat, saturated C)liquid fat, unsaturated D)liquid oil, unsaturated E)liquid oil, saturated

A)solid fat, unsaturated
B)solid fat, saturated
C)liquid fat, unsaturated
D)liquid oil, unsaturated
E)liquid oil, saturated
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66
The beginning of a strand of mRNA has the following base sequence: AUG_UUA_UAU_UGC_UUA_ACU_GUU_UAU.The polypeptide formed by the first seven steps of protein synthesis has the sequence Met-Leu-Tyr-Cys-Leu-Thr-Val.What is the next amino acid to be added to the polypeptide chain?

A)Cys
B)Leu
C)Met
D)Thr
E)Tyr
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67
Identify the type of carbohydrate shown in this model. <strong>Identify the type of carbohydrate shown in this model. </strong> A)monosaccharide B)disaccharide C)polysaccharide D)pentose E)cellulose

A)monosaccharide
B)disaccharide
C)polysaccharide
D)pentose
E)cellulose
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68
Glucose is a hexose sugar with the formula C6H12O6.Which of the following is β\beta -glucose?

A) <strong>Glucose is a hexose sugar with the formula C<sub>6</sub>H<sub>12</sub>O<sub>6</sub>.Which of the following is \beta -glucose?</strong> A) B) C) D) E)
B) <strong>Glucose is a hexose sugar with the formula C<sub>6</sub>H<sub>12</sub>O<sub>6</sub>.Which of the following is \beta -glucose?</strong> A) B) C) D) E)
C) <strong>Glucose is a hexose sugar with the formula C<sub>6</sub>H<sub>12</sub>O<sub>6</sub>.Which of the following is \beta -glucose?</strong> A) B) C) D) E)
D) <strong>Glucose is a hexose sugar with the formula C<sub>6</sub>H<sub>12</sub>O<sub>6</sub>.Which of the following is \beta -glucose?</strong> A) B) C) D) E)
E) <strong>Glucose is a hexose sugar with the formula C<sub>6</sub>H<sub>12</sub>O<sub>6</sub>.Which of the following is \beta -glucose?</strong> A) B) C) D) E)
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69
A triglyceride contains the following fatty acid.Is this triglyceride a solid fat or a liquid oil? Is it saturated or unsaturated? Does it contain cis or trans arrangements at the double bonds? <strong>A triglyceride contains the following fatty acid.Is this triglyceride a solid fat or a liquid oil? Is it saturated or unsaturated? Does it contain cis or trans arrangements at the double bonds? </strong> A)liquid oil, saturated, trans B)liquid oil, saturated, cis C)liquid oil, unsaturated, cis and trans D)solid fat, saturated, cis E)solid fat, unsaturated, trans

A)liquid oil, saturated, trans
B)liquid oil, saturated, cis
C)liquid oil, unsaturated, cis and trans
D)solid fat, saturated, cis
E)solid fat, unsaturated, trans
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70
Glucose is a hexose sugar with the formula C6H12O6.Which of the following is α\alpha -glucose?

A) <strong>Glucose is a hexose sugar with the formula C<sub>6</sub>H<sub>12</sub>O<sub>6</sub>.Which of the following is \alpha -glucose?</strong> A) B) C) D) E)
B) <strong>Glucose is a hexose sugar with the formula C<sub>6</sub>H<sub>12</sub>O<sub>6</sub>.Which of the following is \alpha -glucose?</strong> A) B) C) D) E)
C) <strong>Glucose is a hexose sugar with the formula C<sub>6</sub>H<sub>12</sub>O<sub>6</sub>.Which of the following is \alpha -glucose?</strong> A) B) C) D) E)
D) <strong>Glucose is a hexose sugar with the formula C<sub>6</sub>H<sub>12</sub>O<sub>6</sub>.Which of the following is \alpha -glucose?</strong> A) B) C) D) E)
E) <strong>Glucose is a hexose sugar with the formula C<sub>6</sub>H<sub>12</sub>O<sub>6</sub>.Which of the following is \alpha -glucose?</strong> A) B) C) D) E)
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71
The beginning of a strand of mRNA has the following base sequence: AUGCUUCCCCAACGAUUUCGACUU.The polypeptide formed by the first six steps of protein synthesis has the composition Met-Leu-Pro-Gln-Arg-Phe.What is the next amino acid to be added to the polypeptide chain?

A)Arg
B)Gln
C)Leu
D)Met
E)Phe
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72
A general class of biological molecules that can be extracted from cells by nonpolar solvents is called:

A)carbohydrates
B)proteins
C)cytoplasm
D)lipids
E)amino acids
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73
The beginning of a strand of mRNA has the following base sequence: AUGUUUUUGCCUCAUCGUUUGCAU.The polypeptide formed by the first six steps of protein synthesis has the sequence Met-Phe-Leu-Pro-His-Arg.What is the next amino acid to be added to the polypeptide chain?

A)Arg
B)His
C)Leu
D)Met
E)Phe
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74
Identify the type of carbohydrate shown in this model. <strong>Identify the type of carbohydrate shown in this model. </strong> A)monosaccharide B)disaccharide C)polysaccharide D)pentose E)cellulose

A)monosaccharide
B)disaccharide
C)polysaccharide
D)pentose
E)cellulose
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75
Which of the following best describes this molecule? <strong>Which of the following best describes this molecule? </strong> A)saturated fatty acid B)cis unsaturated fatty acid C)trans unsaturated fatty acid D)nucleic acid E)protein

A)saturated fatty acid
B)cis unsaturated fatty acid
C)trans unsaturated fatty acid
D)nucleic acid
E)protein
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76
Examine the following model of a carbohydrate and classify the molecule. <strong>Examine the following model of a carbohydrate and classify the molecule. </strong> A)monosaccharide B)disaccharide C)polysaccharide D)glycogen E)cellulose

A)monosaccharide
B)disaccharide
C)polysaccharide
D)glycogen
E)cellulose
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77
What is the class of biomolecules that serves as a source of energy, is composed of carbon, hydrogen, and oxygen, and has the general formula Cn(H2O)m?

A)nucleic acids
B)sugars
C)celluloses
D)carbohydrates
E)proteins
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78
Examine the following model of a portion of a carbohydrate and classify the molecule. <strong>Examine the following model of a portion of a carbohydrate and classify the molecule. </strong> A)monosaccharide B)disaccharide C)polysaccharide D)pentose E)sucrose

A)monosaccharide
B)disaccharide
C)polysaccharide
D)pentose
E)sucrose
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79
The beginning of a strand of mRNA has the following base sequence: AUGUUCUCUGAUGGCAAUUCU.The polypeptide formed by the first six steps of protein synthesis has the composition Met-Phe-Ser-Asp-Gly-Asn.What is the next amino acid to be added to the polypeptide chain?

A)Asn
B)Asp
C)Met
D)Phe
E)Ser
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80
Which of the following best describes this molecule? <strong>Which of the following best describes this molecule? </strong> A)saturated fatty acid B)cis unsaturated fatty acid C)trans unsaturated fatty acid D)nucleic acid E)protein

A)saturated fatty acid
B)cis unsaturated fatty acid
C)trans unsaturated fatty acid
D)nucleic acid
E)protein
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