Light-Dependent Reactions
Asked by Aarav S · 1 year ago
What are the main steps in the light-dependent reactions of photosynthesis?
1 Answer
The light-dependent reactions of photosynthesis include:
1. Light absorption by chlorophyll in photosystems I and II
2. Excitation of electrons and their transfer through the electron transport chain
3. Photolysis of water, producing oxygen as a byproduct
4. Generation of ATP through chemiosmosis (ATP synthase)
5. Production of NADPH from NADP+
These reactions occur in the thylakoid membranes of chloroplasts and provide the energy (ATP) and reducing power (NADPH) for the light-independent reactions.
1. Light absorption by chlorophyll in photosystems I and II
2. Excitation of electrons and their transfer through the electron transport chain
3. Photolysis of water, producing oxygen as a byproduct
4. Generation of ATP through chemiosmosis (ATP synthase)
5. Production of NADPH from NADP+
These reactions occur in the thylakoid membranes of chloroplasts and provide the energy (ATP) and reducing power (NADPH) for the light-independent reactions.
NEET Faculty · 1 year ago
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