Suppose That You Have the Situation That the P Site

question 34

Multiple Choice

Suppose that you have the situation that the P site of the prokaryotic ribosome contains a tRNA to which is attached a peptidyl chain, and the A site contains a tRNA to which is attached an amino acid. What is the next step?

• A) translocation of the mRNA relative to the ribosome by one codon
• B) peptide bond synthesis
• C) dissociation of the tRNA in the P site to allow movement of the tRNA from the A site to the P site
• D) binding of a new aminoacyl-tRNA to the ribosome catalyzed by Tu
• E) hydrolysis of the peptidyl chain from the tRNA

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