Describe the normal path of electron flow in the light reactions of photosynthesis, starting from water and ending with NADP .
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This reaction is driven by light energy absorbed by chlorophyll. Show more…
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Describe the path one a pair of electrons, during the light reactions, starting with the electron donor molecule (water) until they are given to NADPH.
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Photosynthesis: Light reactions - Linear electron flow 1. Pigments in PSII absorb photons. 2. Photons are passed between pigments in a wave of excitation to the reaction center complex. 3. Electrons (e-) are transferred to the primary electron acceptor. 4. Electrons are replaced on the reaction center complex from H2O, releasing O2 and H+ ions. 5. Electron transport chain moves from photosystem II to photosystem I. 6. This pumps H+ into the thylakoid space. 7. Chemiosmosis generates ATP. 8. PSI absorbs light and transfers e- to the primary electron acceptor. 9. Second electron transport chain moves in redox reactions. 10. NADP+ is reduced to NADPH. Fill in the blanks and label with the numbered steps. Label a chlorophyll molecule.
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Which of the following correctly tracks the flow of electrons in the Light Reaction? Water, Photosystem II, Cytochrome Complex, Photosystem I, NADP+ Photosystem II, Photosystem I, water, NAD+ Water, Photosystem I, Photosystem II, NADP+ Photosystem I, water, Photosystem II, NADP+
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