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MCAT Question A Day - 5/17/14 - Answer!

During translation the growing polypeptide can be found attached to a tRNA at which site on the ribosome?

A.  the E site
B.  the P site
C.  theA site
D.  the Z site

B is correct. The P stands for peptidyl site, where the growing peptide chain attaches to the tRNA.

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