Question 1

Guanine is one example of a nitrogen base that is a

Accepted Answer

A)  cofactor.
B)  5-carbon sugar.
C)  phosphodiester.
D)  pyrimidine.
E)  purine.

Question 2

Which of the following will not be found in DNA?

Accepted Answer

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

Question 3

Which of the following statements is TRUE?

Accepted Answer

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

Question 4

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

Accepted Answer

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

Question 5

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

Accepted Answer

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

Question 6

A retrovirus contains DNA as its genetic material and that synthesizes a complementary RNA strand inside a cell.

Accepted Answer

A) True 
 B)False

Question 7

Down syndrome is an acquired disease, not a genetic disease.

Accepted Answer

A) True 
 B)False

Question 8

Which one of the following base pairs is found in DNA?

Accepted Answer

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

Question 9

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

Accepted Answer

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

Question 10

Which of the following is a section of mRNA produced from the DNA template below? 3' A-T-A-G-C-T-A 5'

Accepted Answer

A)  5' A-T-A-G-C-T-A 3'
B)  5' A-U-A-G-C-U-A 3'
C)  5' U-A-U-C-G-A-U 3'
D)  5' U-U-U-G-C-U-U 3'
E)  5' T-A-T-C-G-A-T 3'

Question 11

Recombinant DNA technology requires the use of bacterial

Accepted Answer

A)  plasmids.
B)  mitochondria.
C)  endoplasmic reticulum.
D)  ribosomes.
E)  cell walls.

Question 12

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

Accepted Answer

A)  mRNA
B)  histone RNA
C)  rRNA
D)  tRNA
E)  sRNA

Question 13

The mRNA triplet UUU codes for phenylalanine.

Accepted Answer

A) True 
 B)False

Question 14

The codon is found on ________, and the anticodon is found on ________.

Accepted Answer

A)  mRNA; tRNA
B)  tRNA; mRNA
C)  rRNA; tRNA
D)  ribosomes; tRNA
E)  mRNA; rRNA

Question 15

If the DNA double helix in humans contains 20% guanine, then the percent cytosine is 20%.

Accepted Answer

A) True 
 B)False

Question 16

A virus that contains RNA as its genetic material is a

Accepted Answer

A)  genetically engineered virus.
B)  bacteria.
C)  recombinant DNA.
D)  retrovirus.
E)  vaccine.

Question 17

Codons are base pair sequences that

Accepted Answer

A)  signal the start of DNA synthesis.
B)  signal the end of DNA synthesis.
C)  code for amino acids.
D)  signal the start of RNA synthesis.
E)  code for one or more bases in mRNA.

Question 18

Messenger RNA carries protein synthesis information from the nucleus to the ribosomes.

Accepted Answer

A) True 
 B)False  True

Question 19

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

Accepted Answer

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

Question 20

Translation is the process whereby

Accepted Answer

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

Exam 21: Nucleic Acids and Protein Synthesis

Guanine is one example of a nitrogen base that is a

Correct AnswerverifiedShow Answer

Which of the following will not be found in DNA?

Correct AnswerverifiedShow Answer

Which of the following statements is TRUE?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedD

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

Correct AnswerverifiedShow Answer

A retrovirus contains DNA as its genetic material and that synthesizes a complementary RNA strand inside a cell.

Correct AnswerverifiedShow Answer

Down syndrome is an acquired disease, not a genetic disease.

Correct AnswerverifiedShow Answer

Which one of the following base pairs is found in DNA?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is a section of mRNA produced from the DNA template below? 3' A-T-A-G-C-T-A 5'

Correct AnswerverifiedShow Answer

Recombinant DNA technology requires the use of bacterial

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The mRNA triplet UUU codes for phenylalanine.

Correct AnswerverifiedShow Answer

The codon is found on ________, and the anticodon is found on ________.

Correct AnswerverifiedShow Answer

If the DNA double helix in humans contains 20% guanine, then the percent cytosine is 20%.

Correct AnswerverifiedShow Answer

A virus that contains RNA as its genetic material is a

Correct AnswerverifiedShow Answer

Codons are base pair sequences that

Correct AnswerverifiedShow Answer

Messenger RNA carries protein synthesis information from the nucleus to the ribosomes.

Correct AnswerverifiedTrue

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

Correct AnswerverifiedC

Translation is the process whereby

Correct AnswerverifiedShow Answer

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D

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The codon is found on , and the anticodon is found on .

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True

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C

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