Question 1

Which of the following fatty acids is most likely to be a solid at room temperature?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)    E

Question 2

How many chromosomes are in the nuclei of human cells?

Accepted Answer

A)  42 
B)  44 
C)  46 
D)  48 
E)  52 
A)  42 
B)  44 
C)  46 
D)  48 
E)  52 C

Question 3

Choose the disaccharide from the compounds below.

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)    C

Question 4

How many of the carbons in the following structure are chiral?

Accepted Answer

A)  0 
B)  1 
C)  2 
D)  3 
E)  4 or more 
A)  0 
B)  1 
C)  2 
D)  3 
E)  4 or more

Question 5

Why does the melting point of fatty acids decrease with the number of double bonds present?

Accepted Answer

The melting points of fatty acids are de

Question 6

Which of the following is an example of an aldohexose?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 7

Choose the polyunsaturated triglyceride from the compounds below.

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 8

What is the appropriate name for the strongest intermolecular force holding together two strands of DNA to form a double helix?

Accepted Answer

A)  hydrogen bonds 
B)  London dispersion forces 
C)  dipole-dipole bonds 
D)  ionic bonds 
E)  covalent bonds 
A)  hydrogen bonds 
B)  London dispersion forces 
C)  dipole-dipole bonds 
D)  ionic bonds 
E)  covalent bonds

Question 9

Match the following.
-

Accepted Answer

A) aspartic acid 
B) lysine 
C) glycine 
D) phenylalanine 
E) serine
F)alanine 
A) aspartic acid 
B) lysine 
C) glycine 
D) phenylalanine 
E) serine
F)alanine

Question 10

Which of the following fatty acids is most likely to be a liquid at room temperature?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 11

Which of the following form between glycerol and fatty acids to form triglycerides?

Accepted Answer

A)  hydrogen bonds 
B)  disulfide linkages 
C)  peptide bonds 
D)  glycosidic linkages 
E)  ester linkages 
A)  hydrogen bonds 
B)  disulfide linkages 
C)  peptide bonds 
D)  glycosidic linkages 
E)  ester linkages

Question 12

Which of the following shows all of the tripeptides that can be formed from one molecule each of glycine (Gly), valine (Val), and leucine (Leu)?

Accepted Answer

A)  GlyValLeu, GlyLeuVal, ValLeuGly, ValGlyLeu, LeuGlyVal, LeuValGly 
B)  GlyValLeu, GlyLeuVal, LeuGlyVal 
C)  ValGlyLeu, GlyValLeu, GlyLeuVal, LeuGlyVal 
D)  ValGlyLeu and GlyLeuVal 
E)  GlyValLeu 
A)  GlyValLeu, GlyLeuVal, ValLeuGly, ValGlyLeu, LeuGlyVal, LeuValGly 
B)  GlyValLeu, GlyLeuVal, LeuGlyVal 
C)  ValGlyLeu, GlyValLeu, GlyLeuVal, LeuGlyVal 
D)  ValGlyLeu and GlyLeuVal 
E)  GlyValLeu

Question 13

Which of the following statements is TRUE?

Accepted Answer

A)  Monosaccharides are the building blocks of proteins. 
B)  Nucleotides are the building blocks of polysaccharides. 
C)  Fatty acids are responsible for DNA replication. 
D)  Amino acids are the building blocks of proteins. 
E)  All carbohydrates are water soluble and digestible by humans. 
A)  Monosaccharides are the building blocks of proteins. 
B)  Nucleotides are the building blocks of polysaccharides. 
C)  Fatty acids are responsible for DNA replication. 
D)  Amino acids are the building blocks of proteins. 
E)  All carbohydrates are water soluble and digestible by humans.

Question 14

Which of the following is a type of nucleic acid?

Accepted Answer

A)  RNA 
B)  amino acid 
C)  dipeptide 
D)  carbohydrate 
E)  lipid 
A)  RNA 
B)  amino acid 
C)  dipeptide 
D)  carbohydrate 
E)  lipid

Question 15

Which one of the following amino acids contains a polar side chain?

Accepted Answer

A)  alanine 
B)  glycine 
C)  threonine 
D)  valine 
A)  alanine 
B)  glycine 
C)  threonine 
D)  valine

Question 16

Match the following.
-

Accepted Answer

A) aspartic acid 
B) lysine 
C) glycine 
D) phenylalanine 
E) serine
F)alanine 
A) aspartic acid 
B) lysine 
C) glycine 
D) phenylalanine 
E) serine
F)alanine

Question 17

Match the following.
-

Accepted Answer

A) aspartic acid 
B) lysine 
C) glycine 
D) phenylalanine 
E) serine
F)alanine 
A) aspartic acid 
B) lysine 
C) glycine 
D) phenylalanine 
E) serine
F)alanine

Question 18

What is a codon?

Accepted Answer

A codon is a series

Question 19

Which of the following hold two strands of DNA in an a-helix?

Accepted Answer

A)  ester linkages 
B)  disulfide linkages 
C)  peptide bonds 
D)  hydrogen bonds 
E)  glycosidic linkages 
A)  ester linkages 
B)  disulfide linkages 
C)  peptide bonds 
D)  hydrogen bonds 
E)  glycosidic linkages

Question 20

Identify the polysaccharide.

Accepted Answer

A)  glucose 
B)  starch 
C)  cholesterol 
D)  fructose 
E)  sucrose 
A)  glucose 
B)  starch 
C)  cholesterol 
D)  fructose 
E)  sucrose

Exam 22: Biochemistry

Which of the following fatty acids is most likely to be a solid at room temperature?

How many chromosomes are in the nuclei of human cells?

Choose the disaccharide from the compounds below.

How many of the carbons in the following structure are chiral?

Why does the melting point of fatty acids decrease with the number of double bonds present?

Which of the following is an example of an aldohexose?

Choose the polyunsaturated triglyceride from the compounds below.

What is the appropriate name for the strongest intermolecular force holding together two strands of DNA to form a double helix?

Match the following. -

Which of the following fatty acids is most likely to be a liquid at room temperature?

Which of the following form between glycerol and fatty acids to form triglycerides?

Which of the following shows all of the tripeptides that can be formed from one molecule each of glycine (Gly), valine (Val), and leucine (Leu)?

Which of the following statements is TRUE?

Which of the following is a type of nucleic acid?

Which one of the following amino acids contains a polar side chain?

Match the following. -

Match the following. -

What is a codon?

Which of the following hold two strands of DNA in an a-helix?

Identify the polysaccharide.

Units of Measurement for Physical and Chemical Change

Atoms and Elements

Molecules, Compounds, and Nomenclature

Chemical Reactions and Stoichiometry

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding Ii: Molecular Shapes, Valence Bond Theory, and Molecular Orbital Theory

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Gibbs Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry I: Structures

Organic Chemistry Ii: Reactions

Chemistry of the Nonmetals

Metals and Metallurgy

Transition Metals and Coordination Compounds

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