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Card 9 / 30:
Describe the pathway of electron transfer from photosystem II to photosystem I in light-dependent reactions.
A photon of light hits an antenna molecule in photosystem II, and the energy released by it travels through other antenna molecules to the reaction center. The energy causes an electron to leave a molecule of chlorophyll a to a primary electron acceptor protein. The electron travels through the electron transport chain and is accepted by a pigment molecule in photosystem I.
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