Phosphorylation of eukaryotic initiation factors 2 and 2B (eIF2 and eIF2B)
A) allows them to be recycled back to the ribosome.
B) allows them to initiate translation.
C) blocks their exchange of bound GDP for GTP.
D) blocks the addition of a terminal phosphate to the bound GDP.

Question

Quizplus · Accepted Answer

Phosphorylation of eIF2 and eIF2B blocks their exchange of bound GDP for GTP, which is necessary for the initiation of translation.

Phosphorylation of Eukaryotic Initiation Factors 2 and 2B (EIF2 and EIF2B)