Which of the Following is Not Directly Required for Chain

Question

Which of the following is not directly required for chain elongation during translation?
A) Ef-Tu
B) A site on the ribosome
C) GTP
D) IF2
E) All of these are required

Accepted Answer

IF2 is not directly required for chain elongation during translation. Instead, it is involved in the initiation step of translation. The other choices (Ef-Tu, A site on the ribosome, and GTP) are all directly involved in chain elongation during translation.