Understanding Photosynthesis

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Photosynthesis

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Process by which green plants convert light energy into chemical energy

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Chlorophyll

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Green pigment in plants that absorbs light energy for photosynthesis

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Light-dependent reactions

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First stage of photosynthesis, occurs in thylakoid membranes, produces ATP and NADPH

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Light-independent reactions

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Also known as Calvin Cycle, occurs in stroma, uses ATP and NADPH to synthesize glucose

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Thylakoid

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Membrane-bound compartment inside chloroplasts, site of light-dependent reactions

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Stroma

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Fluid-filled space surrounding thylakoids in chloroplasts, site of Calvin Cycle

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6CO2 + 6H2O + light energy

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Reactants of photosynthesis

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C6H12O6 + 6O2

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Products of photosynthesis

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Photolysis

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Splitting of water molecules during light-dependent reactions

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ATP

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Adenosine triphosphate, energy currency produced in light-dependent reactions