During the light-dependent reactions of photosynthesis, what is the immediate source of replacement electrons for the oxidized reaction center chlorophyll pair (P680) of photosystem II?

A) The photolysis of water molecules in the thylakoid lumen

B) The oxidation of NADPH in the stroma

C) The return of electrons from ferredoxin via cyclic electron flow

D) The breakdown of glucose in the cytoplasm

Light-dependent reactions Knowledge-Based Practice

Biology · Cellular Energetics · Biology · Photosynthesis

1 Biology practice questions on Light-dependent reactions. Questions that assess core concepts and understanding.

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Cellular Energetics · Biology

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