Translation and Regulation – Section 1

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  • / Author: GkFeed Team

26. Three stop codons, which aids in termination of translation are also known as

A. pause codons
B. nonsense codons
C. missense codons
D. antisense codons

Correct Answer: B. nonsense codons

27. The ribosome binding site

A. forms a stem-loop structure in the RNA
B. is located upstream of the promoter sequence
C. is located immediately upstream of the start codon
D. is more likely to be associated with an operon than with a gene encoding a single protein

Correct Answer: C. is located immediately upstream of the start codon

28. Which of the following molecule catalyzes the transpeptidation reaction?

A. RNA polymerase
B. Peptidyl transferase
C. DNA ligase
D. DNA polymerase

Correct Answer: B. Peptidyl transferase

29. Which of the termination codon is called amber?

A. UAA
B. UAG
C. UGA
D. AUG

Correct Answer: B. UAG
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