Question

A sequence of pictures of polypeptide synthesis shows a ribosome holding two transfer $RNAs$. One $tRNA$ has a polypeptide chain attached to it; the other $tRNA$ has a single amino acid attached to it. What does the next picture show?

• A. The polypeptide chain moves over and bonds with the single amino acid
• B. The $tRNA$ with the amino acid leaves the ribosome
• C. The amino acid moves over and bonds with the polypeptide chain
• D. The $tRNA$ with the polypeptide chain leaves the ribosome.

Answer 1

Answer: (A)

Correct answer is (a) The polypeptide chain moves over and bonds with the single amino acid