BIOL 1101 Chapter Notes - Chapter 8: Photosynthetic Pigment, Melvin Calvin, Accessory Pigment
3 Dec 2016
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Oxidation of h2o results in production of electrons, protons, and o2. Oxygen is formed in photosynthesis as a by-product of water"s role as a source of electrons: oxidation of water is linked to the reduction of co2. Wednesday, october 5, 2016: photosynthetic electron transport chain= begins with adsorption of sunlight by protein-pigment complexes, absorbed sunlight provides the energy that drives electrons through the photosynthetic electron transport chain. Movement of electrons through chain is used to produce atp and nadph. Atp and nadph then used as energy sources to synthesis carbohydrates using. The incorporation of co2 is catalyzed by the enzyme rubisco: ribulose 1,5-bisphosphate (rubp)= 5-carbon sugar to which co2 is added in the. Step catalyzed by the enzyme ribulose bisphosphate carboxylase oxygenase (rubisco) Before rubisco can act as a carboxylase (enzyme that adds co2 to another molecule), rubp and co2 must diffuse into its active site. Nadph under catalysis of speci c enzyme: reduction of 3-pga involves 2 steps.
