As a Ribosome Translocates Along an MRNA Molecule by One

question 30

Multiple Choice

As a ribosome translocates along an mRNA molecule by one codon, which of the following occurs?

• A)The tRNA that was in the A site moves into the P site.
• B)The tRNA that was in the P site moves into the A site.
• C)The tRNA that was in the A site moves to the E site and is released.
• D)The tRNA that was in the A site departs from the ribosome via a tunnel.
• E)The polypeptide enters the E site.

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