During cyclic photophosphorylation, energy molecules are obtained in the form of:
Correct answer: B. ATP
- A. Oxygen
- B. ATP
- C. Glucose
- D. NADPH
Explanation
During cyclic photophosphorylation, energy is obtained in the form of ATP. NADPH and oxygen are not produced because electrons are recycled within photosystem I, and water is not split. Glucose is also not formed directly, as it requires both ATP and NADPH for its synthesis.
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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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