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

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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

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

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

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29. Which of the termination codon is called amber?

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

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