In the elongation stage of translation,
A) the message is read from a 3' to 5' direction.
B) the polypeptide chain grows from a C-terminal to N-terminal direction.
C) peptidyl transferase activity is catalyzed by a ribosomal protein.
D) rRNA plays a passive role.
E) rRNA is catalytically active.

Question

Quizplus · Accepted Answer

During elongation, rRNA in the ribosome acts as a ribozyme, catalyzing peptide bond formation, indicating its catalytic activity.

In the Elongation Stage of Translation