In the signal transduction pathway that results in the formation of inositol triphosphate, the G protein directly activates
A) phospholipase C.
B) protein kinase A.
C) calmodulin.
D) adenylate cyclase.

Question

Quizplus · Accepted Answer

The G protein activates phospholipase C, which then catalyzes the formation of inositol triphosphate (IP3) from phosphatidylinositol 4,5-bisphosphate (PIP2).

In the Signal Transduction Pathway That Results in the Formation