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The role of ATP and NAD / FAD in Respiration.
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| Submitted: Wed Dec 10 2003
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Tim Grayson The role of ATP and NAD / FAD in Respiration Cellular respiration is the process of oxidizing food molecules, like glucose, to carbon dioxide and water. The energy released is trapped in the form of ATP for use by all the energy-consuming activities of the cell. The process occurs in two phases: * Glycolysis, the breakdown of glucose to pyruvic acid * The complete oxidation of pyruvic acid to carbon dioxide and water These processes take place inside the mitochondria. Mitochondria are membrane-enclosed organelles distributed through the cytosol of most eukaryotic cells. Their main function is the conversion of the potential energy of food molecules into ATP. Mitochondria have: * An outer membrane that encloses the entire structure * An inner membrane that encloses a fluid-filled matrix * Between the two is the intermembrane space * The inner membrane is elaborately folded with cristae projecting into the matrix. * A small...
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