Photosynthesis intro 3 12 10

Photosynthesis intro 3 12 10 - Photosynthesis: using light...

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Photosynthesis: using light energy to reduce CO 2 to make CH 2 O
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Photosynthesis outline Light as energy Pigments that capture light energy Anoxygenic photosynthesis in Archaea and some photosynthetic bacteria Oxygenic photosynthesis in cyanobacteria and chloroplasts Carbon fixation reactions
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Photosynthesis themes Light energy is used to generate a proton gradient across a membrane for chemiosmotic ATP synthesis Light energy is used to reduce electron carriers that are used, in turn, to reduce inorganic carbon (CO 2 ) to make organic carbon (CH 2 O)
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Q: Plant a seedling in a large pot with 200 kgs of soil. Water daily for 5 years. The tree now weighs 100 kgs. The soil is carefully recovered, dried and weighed. How much will the soil weigh? A. About 200 kgs B. About 150 kgs C. About 100 kgs D. About 50 kgs E. More than 200 lbs
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Q: The biomass (dry weight) of the tree comes primarily from: a) Soil b) Water c) Air
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Light is energy: E = h ν Wavelength and frequency are inversely related: ν = c/ λ h is Planck's constant
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This note was uploaded on 09/02/2010 for the course BIO 1510 taught by Professor Unknown during the Spring '07 term at Georgia Institute of Technology.

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Photosynthesis intro 3 12 10 - Photosynthesis: using light...

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