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Pigments
The light-absorbing molecules the plants use to gather the sun's energy
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What are the regions of the visible spectrum in which chlorophyll absorbs light very well?
Blue-violet region
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Jan van Helmont
Plants gain most of their mass from water
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Jan Ingenhousz
Plants produce oxygen bubbles in the light, but not in the dark.
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Joseph Priestly
Plants release oxygen
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Equation for Photosynthesis
Carbon Dioxe + Water -> Sugars + Oxygen
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Thylakoid
Sac-like photosynthetic membranes
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Granum
Stacks of thylakoids
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Grana
Space outside thylakoid
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Where do light dependent reactions occur?
In the thylakoid
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What are the raw materials of a light dependent reaction?
Light, water, ADP, NADP+
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What are the products of a light dependent reaction?
ATP, NADPH, O2
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What are the raw materials of the calvin cycle?
ATP, NADPH, CO2
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What are the products of the calvin cycle?
C6H12O6 (Glucose)
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What are four factors that affect photosynthesis?
- Amount of water
- Temperature
- Light intensity
- Carbon dioxide concentration
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Where does the calvin cycle occur?
Stroma
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