The G protein
A) is a tetramer
B) is inactivated by cholera toxin
C) mediates the production of second messenger
D) is a hexameric complex in the cytosol

Question

Quizplus · Accepted Answer

G proteins mediate the production of second messengers in cells, acting as molecular switches in signaling pathways. They are not tetramers or hexameric complexes, and cholera toxin actually modifies the G protein in a way that keeps it active, not inactivated.

The G Protein