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Chapter 25
The Organic Mechanisms of the Coenzymes–Metabolism

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25-00-00CO
Title
 N5,N10-Methylenetetrahydrofolate
Caption
 Space-filling model of N5,N10-methylenetetrahydrofolate.
Notes
 N5,N10-methylenetetrahydrofolate is used by the body to carry single-carbon units to anabolic processes which need to increase the number of carbon atoms in a biomolecule by one (e.g., conversion of glycine to serine). Tetrahydrofolate (the form lacking the extra carbon) is used in catabolic processes to break down biomolecules by removing a carbon from them.
Keywords
 methylenetetrahydrofolate, space-filling
25-01
Title
 Figure 25.1
Caption
 Schematic diagram illustrating the four stages of catabolism.
Notes
 The four stages of catabolism are: digestion (hydrolysis), conversion to citric acid cycle feedstocks, citric acid cycle catabolism, and oxidative phosphorylation.
Keywords
 figure, 25.1, stages, catabolism

Title
 Table 25.1 The Vitamins, their Coenzymes and their Chemical Functions
Caption
Notes
Keywords
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