Lectures 13-14 PhotosynthesisandMembranes

Lectures 13-14 PhotosynthesisandMembranes - Photosynthesis...

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Photosynthesis and Membranes
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Photosynthesis and Membranes The proteins that participate in the light reactions of photosynthesis are located in the thylakoid membranes of chloroplasts and in the cell membrane of bacteria. Photosynthesis transforms light energy into electrochemical energy Light reactions result in: 1. The formation of reducing power 2. The generation of a transmembrane proton gradient for the synthesis of ATP, and 3. The production of O 2
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The light reactions of photosynthesis
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The structure of a chloroplast
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The structure of a chloroplast
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Light-induced charge separation
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Photosynthetic pigments Bacteriochlorophyll Ubiquinone
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Carotenoids
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Energy transfer from accessory pigments to the reaction centers
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Bacterial Photosynthetic Reaction Center
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Bacterial Photosynthetic Reaction Center
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Pigments are bound to transmembrane α- helices of L and M subunits
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This note was uploaded on 01/07/2011 for the course BIBC BIBC 100 taught by Professor Buehler during the Fall '09 term at UCSD.

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Lectures 13-14 PhotosynthesisandMembranes - Photosynthesis...

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