The electron transport chain occurs in:
Correct answer: A. Inner membrane of mitochondria
- A. Inner membrane of mitochondria
- B. Outer membrane of mitochondria
- C. Thylakoid membrane
- D. Both A and C
Explanation
The electron transport chain is located in the inner mitochondrial membrane. The inner membrane is highly folded to form structures called cristae, providing a large surface area for the enzymes and protein complexes involved in oxidative phosphorylation.
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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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