What is the direct electron donor

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Pheophytin and Ao (a chlorophyll a molecule whose ?max is 690 nm) are the primary electron acceptors of PS II and PSI, respectively.

A. What is the direct electron donor for the P680 reaction center of PS II, and for the P700 reaction center of PS I?

B. How many electrons do these carriers transfer at a time?

Reference no: EM1397339

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