NOTES-Chapter 10 Photosynthesis

NOTES-Chapter 10 Photosynthesis - Chapter 10 Photosynthesis...

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Chapter 10 Photosynthesis An overview Plants referred to as autotrophs which means self-feeding. Cyanobacteria-photosynthetic 6CO2 + 12H2O = 6(CH2O) +6O2 + 6H2O chorophyll-a porphryin with Mg in the middle which gives it it’s green color. Most plants-dominant cholorophyll is a and b, although there is a, b, c, d, and e chlorophyll Chlorophyll a is the most important and undergoes photoionization Light-the electromagnetic spectrum o Low to high: radio waves, microwaves, infared, visible, ultraviolet, xrays, gamma rays cosmic rays o Low to high: red to purple o Mot of energy is in visible light o Action spectrum- how well photosynthesis works at various wavelengths-it mirrors the absorption spectru Absorption Spectrum Xanthophylls and phycobillins are accessory pigments-protect chlorophyll from bleaching and can absorb wavelengths of light that chlorophyll can’t Chlorophyll a= 450blue, and 680red Chlorophyll b=470 Carotenoids= 400-500 Light Dependent Reactions Reactions that have to occur during the sunlight
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This note was uploaded on 04/07/2011 for the course BIOL 104 taught by Professor Bray-speth during the Fall '11 term at Saint Louis.

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NOTES-Chapter 10 Photosynthesis - Chapter 10 Photosynthesis...

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