Which of the following statements about Photosystem II is correct
A
does not have a reaction center
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B
Is reduced by NADPH
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C
Passes electrons to Photosystem I
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D
Has P700 at its reaction center
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Solution
The correct option is C Passes electrons to Photosystem I Photosystem II is the first protein complex in the light-dependent reactions of photosynthesis. It has P680 at its reaction center. Photosystem II captures photons of light to energize electrons that are transferred through a variety of coenzymes and cofactors to Photosystem I. The energized electrons are replaced by oxidizing water to form hydrogenions and molecular oxygen. The hydrogen ions (protons) thus generated help create a proton gradient that is used by ATP synthase to generate ATP.