Coenzyme Q is oxidized by which coenzyme in the ETC?
Correct answer: C. Cytochrome b
- A. Coenzyme C
- B. Coenzyme Q
- C. Cytochrome b
- D. Cytochrome a
Explanation
Coenzyme Q is oxidized by Cytochrome b in the electron transport chain (ETC). Coenzyme Q is a mobile electron carrier in the ETC and it transfers electrons between complexes lll and lV, facilitating the transfer of electrons from Complex lll to Complex lV.
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About Bioenergetics
Cellular respiration explains how cells release energy from glucose through glycolysis, the link reaction, Krebs cycle and electron transport chain. It includes ATP production, substrate-level and oxidative phosphorylation, aerobic versus anaerobic respiration, and the roles of mitochondria, oxygen and fermentation in energy transfer.
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