Question

In which part of the mitochondria does ATP synthesis occur?

• A. Matrix
• B. Intermembrane space
• C. Outer mitochondrial membrane
• D. Inner membrane of mitochondria

Answer 1

The correct option is D

Inner membrane of mitochondria

For ATP synthesis to occur a large surface area is required. The inner membrane of mitochondria is folded to increase the surface area. Here, ATP synthesis occurs.