What is the role of the Gq protein in the inositol phospholipid signaling pathway?

• A. Gq activates phospholipase C, leading to the production of IP3 and DAG.
• B. Gq deactivates calmodulin.
• C. Gq binds directly to calcium ions.
• D. Gq inhibits adenylate cyclase, reducing cAMP levels.

Answer: (A)