Metabolism Overview and Glycolysis Introduction I. All E transformations II. Metabolism 1. metabolites A. Catabolism B. Anabolism C. Pathway controls III. C sources A. Autotrophs B. Heterotrophs IV. Oxidation of C fuels A. ATP V. Regulation A. Amounts of enzyme B. Catalytic activity 1. Reversible allosteric control 2. Reversible covalent modification 3. Hormones 4. energy status of the cell a. energy charge C. Accessibility of substrates 1. compartmentalization 2. influx of substrate