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Exergonic reaction

harvesting energy from food

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Chemical thermodynamics
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Harvesting Energy from Food Cellular respiration involves catabolic pathways. Substances are being broken down. Pathways are exergonic. Couple an endergonic reaction with an exergonic reaction ADP + PI ? ATP 2 catabolic pathways covered that are exergonic and release energy to power endergonic reaction Cellular respiration begins with glucose. Aeorbic Fermentation begins with glucose. Anaerobic
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Reactions and Enzymes

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Endergonic and exergonic | Back to Top Energy releasing processes, ones that "generate" energy, are termed exergonic reactions. Reactions that require energy to initiate the reaction are known as endergonic reactions. All natural processes tend to proceed in such a direction that the disorder or randomness of the universe increases (the second law of thermodynamics). Time-energy graphs of an exergonic reaction (top) and endergonic reaction (bottom). Images from Purves et al., Life: The Science of Biology, 4th Edition, by Sinauer Associates (www.sinauer.com) and WH Freeman (www.whfreeman.com), used with permission. Oxidation/Reduction | Back to Top
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