Transcription is defined as:
A. the production of a strand of RNA with a sequence identical to the DNA template.
B. the production of a strand of DNA with a sequence identical to the RNA template.
C. the production of an exact complementary strand of RNA on a DNA template.
D. the production of an exact complementary strand of DNA on a RNA template.
E. the production of an exact complementary strand of RNA on a RNA template.
Which of the following repair enzymes is targeted for degradation after it reacts one time?
A. photolyase
B. AP endonuclease
C. MutH
D. DNA glycosylase
E. methyltransferase
What approach would most likely help determine the amino acids which form an enzyme's catalytic site?
What will be an ideal response?
Which of the following is not true of eukaryotic translation initiation?
A. All polypeptides synthesized by cytosolic ribosomes begin with a Met residue, not an fMet.
B. A special initiator tRNA is utilized for initiation by cytosolic ribosomes.
C. Polypeptides synthesized by mitochondrial ribosomes begin with fMet.
D. The 40S ribosomal subunit binds the mRNAbefore any initiation factors.
Which of the following statements is not true of the formation of N-formylmethionyl-tRNAfMet?
A. It is formed in two successive reactions.
B. A formyl group is transferred to methionine before it is added to tRNAfMet.
C. The transformylase enzyme most likely recognizes a unique structural feature of tRNAfMet.
D. The tRNAfMet is charged by the Met-tRNA synthetase.
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