Lecture10 - Lecture 10 Energy Conversion: Mitochondria and...

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Lecture 10 Energy Conversion: Mitochondria and Chloroplasts
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Chemiosmotic coupling: Large amount of internal membrane in mitochondria and chloroplasts the common pathway used by mito, chloroplasts and procaryotes ATP (chemi) membrane transport (osmotic) electrochemical proton gradient
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Chemiosmotic coupling
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Electron transport processes Electron transport chain; the entire set of proteins in the membrane and the small molecules involved in the orderly sequence of electron transfers Photosystems: drive electrons in opposite directions High-energy Low-energy chlorophyll photosynthesis: from H 2 O eventually to CO 2 mitochondria: from carbohydrate to O2 and make H 2 O
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Mitochondrial plasticity Mitochondria move along MT not stiff elongated cylinders there are many of them! some move a lot
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others are fixed in position MT wind along axoneme in development and then disappears and mito fuse…
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Biochemical fractionation of purified mito Study different proteins in each compartment Process large numbers of mito at the same time
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Lecture10 - Lecture 10 Energy Conversion: Mitochondria and...

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