Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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Transcription
involves the transfer of information from
a. | DNA to RNA. | b. | DNA to an amino acid sequence. | c. | mRNA to an amino acid sequence. | d. | All of the above. | | |
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2.
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RNA
polymerase
a. | is the enzyme that creates hydrogen bonds between nucleotides on the
DNA template strand and their complementary RNA nucleotides. | b. | begins transcription at a prompter sequence and moves along the
template strand of DNA. | c. | is the enzyme responsible for the production of
ribonucleotides. | d. | is a ribozyme composed of snRNPs. | | |
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3.
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Which enzyme is
responsible for the synthesis of tRNA?
a. | ribosomal enzymes | b. | RNA replicase | c. | RNA polymerase | d. | ribozymes | | |
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4.
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Which enzyme is
responsible for the synthesis of tRNA?
a. | ribosomal enzymes | b. | RNA replicase | c. | RNA polymerase | d. | ribozymes | | |
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5.
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A base deletion
early in the coding sequence of a gene may result in a. | a nonfunctional protein. | b. | multiple missense mutations. | c. | a nonsense mutation. | d. | a frameshift mutation. | | |
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6.
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Translation
involves
a. | the hydrolysis of a GTP molecule. | b. | the release of the tRNA in the P site. | c. | the movement of the mRNA in the A site to the P
site. | d. | All of the
above. | | |
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