8.3 The Process of Photosynthesis

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Presentation transcript:

8.3 The Process of Photosynthesis

Q: What happens during the light-dependent reactions? A: The light-dependent reactions use energy from sunlight to produce oxygen & convert ADP and NADP+ into energy carriers ATP and NADPH. Photosystems-clusters of chlorophyll & proteins.

Photosystem II Electron Transport Chain-a series of electron carrier proteins that shuttle high-energy electrons during ATP-generating reactions. Photosystem I Hydrogen Ion Movement & ATP Formation

Light-Independent Reactions: Producing Sugar AKA: Calvin Cycle Q: What happens during the light-independent reactions? A: ATP and NADPH from the light-dependent reactions are used to produce high-energy sugars. Carbon Dioxide Enters the Cycle Sugar Production

Factors Affecting Photosynthesis Temperature Light Water

Photosynthesis Under Extreme Conditions C4 Photosynthesis CAM Plants

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