Consider This Pathway: Epinephrine → G Protein-Coupled Receptor → G

question 30

Multiple Choice

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

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