Which of the following best describes the role of inhibitory adenylate cyclase GPCR signaling?

• A. It inhibits adenylate cyclase to decrease cAMP production.
• B. It activates adenylate cyclase to increase cAMP production.
• C. It binds to adenylate cyclase to increase GDP production.
• D. It phosphorylates adenylate cyclase to increase ATP production.

Answer: (A)