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How many electrons need to flow through the electron transport chain of the light reactions to generate one molecule of ATP?
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How many electrons need to flow through the electron transport chain of the light reactions to generate one molecule of ATP?

User Vadiraja K
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Answer:

Since four protons are needed to drive the synthesis of one molecule of ATP, passage of each pair of electrons through photosystems I and II by noncyclic electron flow yields between 1 and 1.5 ATP molecules.

User Loic
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