Due to genetic recombinations and mutations, studying genetic evolution can be quite a challenging feat. The mitochondria's inner membrane is loaded with ATP synthase which is essential in ATP production. What makes the ATP synthase contained in mitochondria ideal for studying evolution?

• A. Because it can have features of ancient ancestors.
• B. Because it is one of the important enzymes in the body.
• C. Because it is essential in ATP production.
• D. Because it is unique to every individual.

Answer: (A)