BIOL 1010U Lecture Notes - Lecture 8: Atp Hydrolysis, Dihydroxyacetone Phosphate, Endergonic Reaction
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Lecture 8 cellular respiration: harvesting energy from carbohydrates and. Glycolysis doesn"t matter if there is oxygen or not. Provides starting material for: fermentation anaerobic, cellular respiration aerobic. Glycolysis releases energy by oxidizing glucose to pyruvate. Begins breakdown of glucose partial oxidation. Is a pathway of 10 enzyme-catalyzed reactions: first 5 reactions are endergonic (energy consuming, last 5 reactions are exergonic (energy releasing) You have to destabilize reactants to get them going (lighting a match to release heat) Phase 1: endergonic phase (consumption of 2 atp: reaction 1 and 3 are phosphorylation reactions. Phase 3 payoff phase: exergonic reactions, reaction 6, g3p converts to a new substrate, g3p is oxidized and. Nad+ is reduced (redox reaction involving intermediate energy carriers: reaction 7 and 10 are when atp is generated (phosphorylation reactions, phosphates get removed by substrates and added to adp to make. Enzyme catalyzed transfer of phosphate groups from substrate to adp for. Atp synthesis (reactions 7 and 10 of glycolysis)
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