Reactions with negative DG values are termed exergonic and those with positive DG values endergonic. |
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With its highly exergonic free energy change, the flow of electrons through Complex I is more than adequate to drive ATP synthesis. |
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Even if a reaction is exergonic, it may not proceed if its activation energy is too high. |
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In this way, the energy released by the exergonic reaction can be partially harnessed to drive the endergonic one. |
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