how-does-gtpase-activity-regulate-the-duration-of-a-signal-in-g-protein-coupled-

Question

How does GTPase activity regulate the duration of a signal in G protein-coupled receptor pathways?

Accepted Answer

By slowly hydrolyzing GTP to GDP, inactivating the G protein

Answer

By continuously activating adenylyl cyclase

Answer

By phosphorylating the receptor to prolong signal duration

Answer

By increasing the concentration of cyclic AMP