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Biology, 26.07.2019 22:00 lalaboooobooo

What happens to the free energy released as electrons are passed from photosystem ii to photosystem i through a series of electron carriers? it is used to establish and maintain a proton gradient. it is used to phosphorylate nad+ to nadph. it excites electrons of the reaction center in photosystem i. it is used to synthesize atp through substrate-level phosphorylation?

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