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Chlorophyll
Pigments that absorbs light.
Also…
Carotene (orange)
Xanthophyll (yellow)
Anthocyanin (blue/purple)
Two Reactions
Light Reaction
Dark Reaction Also known as Light
Independent Reaction
Also known as the Calvin Cycle
Light Reaction
Occurs in the granum (on the thylakoid (in the lumen (where chlorophyll is))).
Light splits water to make oxygen, a proton, and ATP.
Equation:12H2O + 12NADP + 18ADP → 6O2 + 12NADPH +
18ATP
Light Independent Reaction
Occurs in stroma
ATP and H+ are used to turn CO2 into glucose.
Equation:
ATP + NADPH + CO2 C6H12O6 + ADP + NADP