Consider this pathway: epinephrine- (G protein-coupled receptor)- protein adenylyl cyclase- cAMP. Identify the second messenger.

Consider this pathway: epinephrine- (G protein-coupled receptor)- protein adenylyl cyclase- cAMP. Identify the second messenger.

Consider this pathway: epinephrine- (G protein-coupled receptor)- protein adenylyl cyclase- cAMP. Identify the second messenger.




A. adenylyl cyclase
B. G protein-coupled receptor
C. cAMP
D. GTP
E. G protein




Answer: C