Which one of the following is the first electron accepter from FADH2 during electron transport chain?
Correct answer: A. Coenzyme Q
- A. Coenzyme Q
- B. Cytochrome a
- C. Cytochrome b
- D. Cytochrome c
Explanation
Coenzyme Q, also known as ubiquinone, is a lipid-soluble molecule in the electron transport chain located in the inner mitochondrial membrane. It transports electrons from Complex I and Complex II to Complex III, acting as a mobile electron carrier. Coenzyme Q also plays a role in maintaining the proton gradient across the membrane, which drives ATP synthesis. Its antioxidant properties further protect cells from oxidative damage.
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