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Transcript
Energy for the body • Trapped in chemical bonds of fats, proteins, and carbs (potential) • liberate energy – break bonds – release energy, CO2 and H20 – Energy is transferred to ATP for use in the body Glycolysis • • • • Splitting sugar (glucose) Used by all organisms Occurs in cytoplasm Phosphorylation – Adding a phosphate to a substance • NAD+ – Electron acceptor (carrier) • Used in electron transport chain for energy – nicotinamide adenine dinucleotide Glycolysis • Animation • Smith College Glycolysis • • • • • • Where? When? Why? Catabolic Anabolic What happens to pyruvate Pyruvate • Aerobic - presence of oxygen – enters the Krebs cycle (mitochondrion) • tricarboxylic acid (TCA) cycle • Anaerobic - no oxygen – fermentation pathway – pyruvate forms lactic acid – Lactic acid is transported to liver to be converted
