The G Protein That Activates Adenylyl Cyclase Is a
A) $\alpha$

The G protein that activates adenylyl cyclase is a

A) monomeric G protein in the Ras family that binds GTP.
B) dimeric G protein that separates into $\alpha$ and $\beta$ subunits.
C) heterotrimeric G protein that separates into $\alpha$ and $\beta$$\gamma$ subunits.
D) heterotrimeric G protein that separates into $\alpha$ (\beta\) 0 and $\gamma$ subunits.