Question 1

Translation is the process whereby

Accepted Answer

A) protein is synthesized from mRNA. 
B) mRNA is synthesized from DNA. 
C) DNA is synthesized from mRNA. 
D) DNA is synthesized from DNA. 
E) protein is synthesized from DNA. 
A) protein is synthesized from mRNA. 
B) mRNA is synthesized from DNA. 
C) DNA is synthesized from mRNA. 
D) DNA is synthesized from DNA. 
E) protein is synthesized from DNA.

Question 2

Which of the following statements is true for DNA?

Accepted Answer

A) Cytosine and guanine are a complementary base pair that form 2 hydrogen bonds. 
B) Cytosine and uracil are a complementary base pair that form 3 hydrogen bonds. 
C) Thymine and uracil are a complementary base pair that form 3 hydrogen bonds. 
D) Thymine and adenine are a complementary base pair that form 2 hydrogen bonds. 
E) Thymine and guanine are a complementary base pair that form 3 hydrogen bonds. 
A) Cytosine and guanine are a complementary base pair that form 2 hydrogen bonds. 
B) Cytosine and uracil are a complementary base pair that form 3 hydrogen bonds. 
C) Thymine and uracil are a complementary base pair that form 3 hydrogen bonds. 
D) Thymine and adenine are a complementary base pair that form 2 hydrogen bonds. 
E) Thymine and guanine are a complementary base pair that form 3 hydrogen bonds.

Question 3

Which of the following statements is TRUE?

Accepted Answer

A) Thymine and guanine are a complementary base pair that forms 2 hydrogen bonds. 
B) Cytosine and guanine are a complementary base pair that forms 2 hydrogen bonds. 
C) Thymine and guanine are a complementary base pair that forms 3 hydrogen bonds. 
D) Cytosine and thymine are a complementary base pair that forms 3 hydrogen bonds. 
E) Thymine and adenine are a complementary base pair that forms 2 hydrogen bonds. 
A) Thymine and guanine are a complementary base pair that forms 2 hydrogen bonds. 
B) Cytosine and guanine are a complementary base pair that forms 2 hydrogen bonds. 
C) Thymine and guanine are a complementary base pair that forms 3 hydrogen bonds. 
D) Cytosine and thymine are a complementary base pair that forms 3 hydrogen bonds. 
E) Thymine and adenine are a complementary base pair that forms 2 hydrogen bonds.

Question 4

A restriction enzyme functions to

Accepted Answer

A) prevent the DNA from leaving the nucleus. 
B) eliminate a virus from a cell. 
C) limit the number of replications a DNA molecule can achieve. 
D) cut a large DNA double helix into smaller fragments. 
E) stop the elongation step of protein synthesis. 
A) prevent the DNA from leaving the nucleus. 
B) eliminate a virus from a cell. 
C) limit the number of replications a DNA molecule can achieve. 
D) cut a large DNA double helix into smaller fragments. 
E) stop the elongation step of protein synthesis.

Question 5

Which of the following is NOT a step in protein synthesis?

Accepted Answer

A) chain termination 
B) unwinding of two strands of mRNA 
C) initiation 
D) activation of tRNA 
E) chain elongation 
A) chain termination 
B) unwinding of two strands of mRNA 
C) initiation 
D) activation of tRNA 
E) chain elongation

Question 6

The two new DNA molecules formed in replication

Accepted Answer

A) are complementary to the original DNA. 
B) both contain only the parent DNA strands. 
C) both contain only two new daughter DNA strands. 
D) contain one parent and one daughter strand. 
E) are identical, with one containing both parent strands, and the other containing both daughter strands. 
A) are complementary to the original DNA. 
B) both contain only the parent DNA strands. 
C) both contain only two new daughter DNA strands. 
D) contain one parent and one daughter strand. 
E) are identical, with one containing both parent strands, and the other containing both daughter strands.

Question 7

The polymerase chain reaction is used in

Accepted Answer

A) replication. 
B) translation. 
C) preparing recombinant DNA. 
D) DNA fingerprinting. 
E) transcription. 
A) replication. 
B) translation. 
C) preparing recombinant DNA. 
D) DNA fingerprinting. 
E) transcription.

Question 8

A ________ consists of a nitrogen-containing base, a sugar, and a phosphate group.

Accepted Answer

A) purine 
B) complementary base 
C) nucleotide 
D) nucleoside 
E) base pair 
A) purine 
B) complementary base 
C) nucleotide 
D) nucleoside 
E) base pair

Question 9

Which of the following types of RNA has a large subunit and a small subunit?

Accepted Answer

A) tRNA 
B) mRNA 
C) sRNA 
D) rRNA 
E) hRNA 
A) tRNA 
B) mRNA 
C) sRNA 
D) rRNA 
E) hRNA

Question 10

When mRNA is synthesized using the information from DNA, the process is called

Accepted Answer

A) transposition. 
B) transportation. 
C) transliteration. 
D) translation. 
E) transcription. 
A) transposition. 
B) transportation. 
C) transliteration. 
D) translation. 
E) transcription.

Question 11

Protease inhibitors, which are effective anti-HIV drugs,

Accepted Answer

A) are nucleoside analogs. 
B) prevent reverse transcription. 
C) prevent mRNA synthesis. 
D) prevent activation of tRNA. 
E) prevent synthesis of viral proteins. 
A) are nucleoside analogs. 
B) prevent reverse transcription. 
C) prevent mRNA synthesis. 
D) prevent activation of tRNA. 
E) prevent synthesis of viral proteins.

Question 12

The backbone of the helix of DNA is held together by

Accepted Answer

A) dipole-dipole interactions. 
B) sugar-to-phosphate bonds. 
C) ionic bonds. 
D) covalent bonds. 
E) hydrogen bonds. 
A) dipole-dipole interactions. 
B) sugar-to-phosphate bonds. 
C) ionic bonds. 
D) covalent bonds. 
E) hydrogen bonds.

Question 13

What is the difference between a nucleoside and a nucleotide?

Accepted Answer

A) A nucleoside contains guanine, and a nucleotide does not. 
B) A nucleoside contains phosphate, and a nucleotide does not. 
C) A nucleoside contains uracil, and a nucleotide does not. 
D) A nucleotide contains ribose, and a nucleoside does not. 
E) A nucleotide contains phosphate, and a nucleoside does not. 
A) A nucleoside contains guanine, and a nucleotide does not. 
B) A nucleoside contains phosphate, and a nucleotide does not. 
C) A nucleoside contains uracil, and a nucleotide does not. 
D) A nucleotide contains ribose, and a nucleoside does not. 
E) A nucleotide contains phosphate, and a nucleoside does not.

Question 14

During protein synthesis, the codon for an amino acid is found on

Accepted Answer

A) sRNA. 
B) rRNA. 
C) tRNA. 
D) mRNA. 
E) DNA. 
A) sRNA. 
B) rRNA. 
C) tRNA. 
D) mRNA. 
E) DNA.

Question 15

A nucleic acid sequence is read from the ________ to the ________.

Accepted Answer

A) free 3' phosphate; free 5' hydroxyl 
B) free 5' phosphate; free 3' hydroxyl 
C) free 3' hydroxyl; free 5' phosphate 
D) free 5' hydroxyl; free 3' phosphate 
A) free 3' phosphate; free 5' hydroxyl 
B) free 5' phosphate; free 3' hydroxyl 
C) free 3' hydroxyl; free 5' phosphate 
D) free 5' hydroxyl; free 3' phosphate

Translation is the process whereby

Which of the following statements is true for DNA?

Which of the following statements is TRUE?

A restriction enzyme functions to

Which of the following is NOT a step in protein synthesis?

The two new DNA molecules formed in replication

The polymerase chain reaction is used in

A ________ consists of a nitrogen-containing base, a sugar, and a phosphate group.

Which of the following types of RNA has a large subunit and a small subunit?

When mRNA is synthesized using the information from DNA, the process is called

Protease inhibitors, which are effective anti-HIV drugs,

The backbone of the helix of DNA is held together by

What is the difference between a nucleoside and a nucleotide?

During protein synthesis, the codon for an amino acid is found on

A nucleic acid sequence is read from the to the .

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Exam 21: Nucleic Acids and Protein Synthesis

Translation is the process whereby

Which of the following statements is true for DNA?

Which of the following statements is TRUE?

A restriction enzyme functions to

Which of the following is NOT a step in protein synthesis?

The two new DNA molecules formed in replication

The polymerase chain reaction is used in

A ________ consists of a nitrogen-containing base, a sugar, and a phosphate group.

Which of the following types of RNA has a large subunit and a small subunit?

When mRNA is synthesized using the information from DNA, the process is called

Protease inhibitors, which are effective anti-HIV drugs,

The backbone of the helix of DNA is held together by

What is the difference between a nucleoside and a nucleotide?

During protein synthesis, the codon for an amino acid is found on

A nucleic acid sequence is read from the ________ to the ________.

Chemistry in Our Lives

Chemistry and Measurements

Matter and Energy

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Reactions and Quantities

Gases

Solutions

Reaction Rates and Chemical Equilibrium

Acids and Bases

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, Phenols, Thiols, and Ethers

Aldehydes and Ketones

Carbohydrates

Carboxylic Acids and Esters

Lipids

Amines and Amides

Amino Acids and Proteins

Enzymes and Vitamins

Metabolic Pathways for Carbohydrates

Metabolism and Energy Production

Metabolic Pathways for Lipids and Amino Acids

Filters

A nucleic acid sequence is read from the to the .