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Photosynthesis in Higher Plants
Light Reaction – Electron Transport
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Concepts tested
- role of plastoquinone
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2020 1 question
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In light reaction, plastoquinone facilitates the transfer of electrons from:After excitation, electrons pass from PS II ($P_{680}$) to the primary electron acceptor (pheophytin) and then to plastoquinone. Plastoquinone (PQ) in turn transfers electrons to the cytochrome $b_6f$ complex. So plastoquinone facilitates electron transfer from PS II to the Cyt $b_6f$ complex.