Biology 1002B Lecture Notes - Lecture 6: Thylakoid, Electrochemical Gradient, Atp Synthase

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Energy is captured and put into biosphere through photosynthesis. Measure of chlorophyll concentration is equal to number of photosynthetic organisms. Temp has little to do with oceanic photosynthesis. Carbon dioxide converted to glucose for photosynthesis. This is possible because they use energy from light to drive reduction of co2. Reason they use glucose because it has a lot of free energy. No energy in co2, can"t get anything out of co2, no electrons you can get. Oxygen is holding on to them too tight. C-h bonds are what we need, lots of energy in the molecule, lots of free electron that can be easily removed. Endergonic process, free energy of products is greater than reactants. Anabolic pathways, overall positive change in free energy. Photosynthesis can be divided into two parts: ~ light reactions: producing atp energy and reducing power in the form of. ~ calvin cycle: co2 converted to carbohydrate glucose. Thylakoid is where light reactions take place.

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