In cyclic photophosphorylation, the flow of electrons will be:
Correct answer: D. PEA > Ferredoxin > Cytochrome complex > Plastocyanin
- A. PEA > Cytochrome complex > Plastocyanin
- B. PEA > Ferredoxin > Plastocyanin
- C. PEA > Cytochrome complex > Ferredoxin
- D. PEA > Ferredoxin > Cytochrome complex > Plastocyanin
Explanation
PEA > Ferredoxin > Cytochrome complex > Plastocyanin - Correct. In cyclic photophosphorylation, electrons flow from the primary electron acceptor (PEA) to ferredoxin
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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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