What is the primary role of F-type ATPases in mitochondria?

• A. They synthesize ATP by utilizing the proton gradient across the mitochondrial membrane.
• B. They hydrolyze ATP to transport calcium ions into the mitochondria.
• C. They transport anions across the mitochondrial membrane to maintain pH balance.
• D. They pump sodium ions out of the mitochondria to prevent swelling.

Answer: (A)