Which of the following photosystems is involved in cyclic photophosphorylation?
Correct answer: B. PS I
- A. PS II
- B. PS I
- C. PS I and PS II
- D. PS III
Explanation
Cyclic photophosphorylation employs the use of only photosystem I (PS1). this occurs to overcome the ATP deficiency and the use of only PSI results in the formation of only ATP without the formation of NADPH.
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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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