Describe the patterns of electron flow through light reaction events?
Question: Describe the patterns of electron flow through light reaction events?
In the light reactions of photosynthesis, light energy is absorbed by chlorophyll in the photosystems (PSII and PSI), initiating the splitting of water molecules to release oxygen, protons, and electrons. These electrons travel through the electron transport chain, creating a proton gradient that drives ATP synthesis. The electrons are then re-energized in PSI and used to reduce NADP⁺ to NADPH. Both ATP and NADPH produced are essential for the Calvin cycle, where they help synthesize glucose. This process efficiently converts light energy into chemical energy.
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