At the end of the initiation step,the ribosome has a vacant
A)A site.
B)P site.
C)mRNA site.
D)tRNA.
E)All of the above.

Question

Quizplus · Accepted Answer

During the initiation step of translation, the ribosome assembles on the mRNA molecule, and the initiator tRNA binds to the P site of the ribosome. At this point, the A site of the ribosome is vacant, ready to receive the incoming tRNA carrying the next amino acid in the growing polypeptide chain. Therefore, the correct answer is A) A site.

At the End of the Initiation Step,the Ribosome Has a Vacant