Question 1

What is the cell structure that contains the cell's DNA?

Accepted Answer

A) chromosome 
B) codon 
C) ribosome 
D) gene 
E) nucleus 
A) chromosome 
B) codon 
C) ribosome 
D) gene 
E) nucleus

Question 2

The sequence of amino acids held together by peptide bonds in a protein is the

Accepted Answer

A) tertiary structure. 
B) hydrogen bonding. 
C) primary structure. 
D) quaternary structure. 
E) secondary structure. 
A) tertiary structure. 
B) hydrogen bonding. 
C) primary structure. 
D) quaternary structure. 
E) secondary structure.

Question 3

What of the following polymers could be produced by the free-radical addition of 1,1-difluoroethylene,F2C=CH2?

Accepted Answer

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

Question 4

Which type of molecule is responsible for carrying an amino acid to a ribosome?

Accepted Answer

A) protein 
B) DNA 
C) ribosomal RNA 
D) messenger RNA 
E) transfer RNA 
A) protein 
B) DNA 
C) ribosomal RNA 
D) messenger RNA 
E) transfer RNA

Question 5

A(n)_____ is a linear polymer of nucleotide units linked from the hydroxyl group at the 3' carbon of the pentose of one nucleotide to the phosphate group of the other nucleotide.

Accepted Answer

A) ​ribonucleotide 
B) ​polysaccharide 
C) ​polynucleotide 
D) ​ketopentose 
E) ​aldopentose 
A) ​ribonucleotide 
B) ​polysaccharide 
C) ​polynucleotide 
D) ​ketopentose 
E) ​aldopentose

Question 6

Consider the polymer drawn below:   What monomer(s)could produce the above polymer?

Accepted Answer

A) CH2 = CH2 and CH3CH = CH2 
B) CH3CH = CHCH3 
C) CH2 = C(CH3)2 
D) CO and CH2 = CH2 
E) none of these 
A) CH2 = CH2 and CH3CH = CH2 
B) CH3CH = CHCH3 
C) CH2 = C(CH3)2 
D) CO and CH2 = CH2 
E) none of these

Question 7

What is the polymer formed by the condensation of ethylene glycol,HOCH2CH2OH,with 1,3-propanedicarboxylic acid,HOOCCH2COOH?

Accepted Answer

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

Question 8

A fragment of a DNA molecule has the base sequence TGAC.What is the complementary sequence?

Accepted Answer

A) GTCA 
B) CAGT 
C) AGTC 
D) ACTG 
E) TGAC 
A) GTCA 
B) CAGT 
C) AGTC 
D) ACTG 
E) TGAC

Question 9

Which of the following is not an electrically conducting polymer?

Accepted Answer

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

Question 10

What is the nitrogenous base that is found in RNA but not in DNA?

Accepted Answer

A) thymine 
B) guanine 
C) uracil 
D) cytosine 
E) adenine 
A) thymine 
B) guanine 
C) uracil 
D) cytosine 
E) adenine

Question 11

How many RNA nucleotides are in a codon?

Accepted Answer

A) 1 
B) 5 
C) 2 
D) 4 
E) 3 
A) 1 
B) 5 
C) 2 
D) 4 
E) 3

Question 12

For a free-radical addition polymerization,which of the following statements is true?

Accepted Answer

A) Upon polymerization,σ-bonds are transformed into π-bonds. 
B) The final polymer is a free radical. 
C) A copolymer is formed between the monomer and the initiator. 
D) Upon polymerization,π-bonds are transformed into σ-bonds. 
E) The final polymer must be electrically conducting. 
A) Upon polymerization,σ-bonds are transformed into π-bonds. 
B) The final polymer is a free radical. 
C) A copolymer is formed between the monomer and the initiator. 
D) Upon polymerization,π-bonds are transformed into σ-bonds. 
E) The final polymer must be electrically conducting.

Question 13

Which of the following is the zwitterionic form of glycine (R = H)?

Accepted Answer

A) (-NHCH2CO2H) 
B) NH2CHCO2H+ 
C) (+NH2CH2CO2-) 
D) (+NH3CH2CO2-) 
E) (NH2CH2CO2-) 
A) (-NHCH2CO2H) 
B) NH2CHCO2H+ 
C) (+NH2CH2CO2-) 
D) (+NH3CH2CO2-) 
E) (NH2CH2CO2-)

Question 14

What is the polymer formed by the condensation of 1,3-propanedicarboxylic acid,HOOCCH2COOH,with 1,2-diaminoethane,NH2CH2CH2NH2?

Accepted Answer

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

Question 15

A hemiacetal is formed from

Accepted Answer

A) an alcohol and a ketone. 
B) a carboxylic acid and a mercaptan. 
C) an alcohol and an ether. 
D) an aldehyde and an alcohol. 
E) an ester and an amine. 
A) an alcohol and a ketone. 
B) a carboxylic acid and a mercaptan. 
C) an alcohol and an ether. 
D) an aldehyde and an alcohol. 
E) an ester and an amine.

Question 16

Which of the following statements does not describe natural rubber?

Accepted Answer

A) It is a copolymer. 
B) Isoprene is the monomer. 
C) It may be sticky unless it has been vulcanized. 
D) It is a homopolymer. 
E) It can be made from the sap of a certain tree. 
A) It is a copolymer. 
B) Isoprene is the monomer. 
C) It may be sticky unless it has been vulcanized. 
D) It is a homopolymer. 
E) It can be made from the sap of a certain tree.

What is the cell structure that contains the cell's DNA?

The sequence of amino acids held together by peptide bonds in a protein is the

What of the following polymers could be produced by the free-radical addition of 1,1-difluoroethylene,F₂C=CH₂?

Which type of molecule is responsible for carrying an amino acid to a ribosome?

A(n)_____ is a linear polymer of nucleotide units linked from the hydroxyl group at the 3' carbon of the pentose of one nucleotide to the phosphate group of the other nucleotide.

Consider the polymer drawn below: What monomer(s)could produce the above polymer?

What is the polymer formed by the condensation of ethylene glycol,HOCH₂CH₂OH,with 1,3-propanedicarboxylic acid,HOOCCH₂COOH?

A fragment of a DNA molecule has the base sequence TGAC.What is the complementary sequence?

Which of the following is not an electrically conducting polymer?

What is the nitrogenous base that is found in RNA but not in DNA?

How many RNA nucleotides are in a codon?

For a free-radical addition polymerization,which of the following statements is true?

Which of the following is the zwitterionic form of glycine (R = H)?

What is the polymer formed by the condensation of 1,3-propanedicarboxylic acid,HOOCCH₂COOH,with 1,2-diaminoethane,NH₂CH₂CH₂NH₂?

A hemiacetal is formed from

Which of the following statements does not describe natural rubber?

Chemistry and Measurement

Atoms, molecules, and Ions

Calculations With Chemical Formulas and Equations

Chemical Reactions

The Gaseous State

Thermochemistry

Quantum Theory of the Atom

Electron Configurations and Periodicity

Ionic and Covalent Bonding

Molecular Geometry and Chemical Bonding Theory

States of Matter; Liquids and Solids

Solutions

Rates of Reaction

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria

Solubility and Complex-Ion Equilibria

Thermodynamics and Equilibrium

Electrochemistry

Nuclear Chemistry

Chemistry of the Main-Group Metals

The Transition Elements and Coordination Compounds

Organic Chemistry

Filters

Exam 24: Polymer Materials: Synthetic and Biological

What is the cell structure that contains the cell's DNA?

The sequence of amino acids held together by peptide bonds in a protein is the

What of the following polymers could be produced by the free-radical addition of 1,1-difluoroethylene,F2C=CH2?

Which type of molecule is responsible for carrying an amino acid to a ribosome?

A(n)_____ is a linear polymer of nucleotide units linked from the hydroxyl group at the 3' carbon of the pentose of one nucleotide to the phosphate group of the other nucleotide.

Consider the polymer drawn below: What monomer(s)could produce the above polymer?

What is the polymer formed by the condensation of ethylene glycol,HOCH2CH2OH,with 1,3-propanedicarboxylic acid,HOOCCH2COOH?

A fragment of a DNA molecule has the base sequence TGAC.What is the complementary sequence?

Which of the following is not an electrically conducting polymer?

What is the nitrogenous base that is found in RNA but not in DNA?

How many RNA nucleotides are in a codon?

For a free-radical addition polymerization,which of the following statements is true?

Which of the following is the zwitterionic form of glycine (R = H)?

What is the polymer formed by the condensation of 1,3-propanedicarboxylic acid,HOOCCH2COOH,with 1,2-diaminoethane,NH2CH2CH2NH2?

A hemiacetal is formed from

Which of the following statements does not describe natural rubber?

Chemistry and Measurement

Atoms, molecules, and Ions

Calculations With Chemical Formulas and Equations

Chemical Reactions

The Gaseous State

Thermochemistry

Quantum Theory of the Atom

Electron Configurations and Periodicity

Ionic and Covalent Bonding

Molecular Geometry and Chemical Bonding Theory

States of Matter; Liquids and Solids

Solutions

Rates of Reaction

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria

Solubility and Complex-Ion Equilibria

Thermodynamics and Equilibrium

Electrochemistry

Nuclear Chemistry

Chemistry of the Main-Group Metals

The Transition Elements and Coordination Compounds

Organic Chemistry

Filters

What of the following polymers could be produced by the free-radical addition of 1,1-difluoroethylene,F₂C=CH₂?

What is the polymer formed by the condensation of ethylene glycol,HOCH₂CH₂OH,with 1,3-propanedicarboxylic acid,HOOCCH₂COOH?

What is the polymer formed by the condensation of 1,3-propanedicarboxylic acid,HOOCCH₂COOH,with 1,2-diaminoethane,NH₂CH₂CH₂NH₂?