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Ch.8 Photosynthesis


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[Front]


What is photosynthesis?
[Back]


The process by which a cell captures energy in sunlight and uses it to make food

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What is photosynthesis?
The process by which a cell captures energy in sunlight and uses it to make food
What's the chemical equation for photosynthesis?
6CO2 + 6H2O ------> C6H12O6 + 6O2
What is light?
Electromagnetic radiation
Why do plants look green?
Chlorophyll reflects green light
The shorter the wavelength
The greater the energy
Chloroplast structure
Contains a plant cell's thylakoids, stroma and grana, and chlorophyll
Why do leaves change color?
Because the chlorophyll breaks down.
What's the Calvin Cycle?
Uses 6 molecules of carbon dioxide to produce a single 6 carbon sugar molecule
Whats is light energy used for?
Its used to make H+ gradiant across the thylakloid membranes