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Reactions and Enzymes

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Subject: 
Biology
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Thermodynamics
Chemical thermodynamics
Chemistry
Physics
State functions
Thermochemistry
Endergonic
Exergonic reaction
Exergonic
Energy
Entropy

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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