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proton-motive force

Energy that is generated by the transfer of protons or electrons across an energy-transducing membrane and that can be used for chemical, osmotic, or mechanical work. Proton-motive force can be generated by a variety of phenomena including the operation of an electron transport chain, illumination of a purple membrane, and the hydrolysis of ATP by a proton ATPase.
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Entry Terms:
  • chemiosmotic mechanism
  • chemiosmosis
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RDF/XMLCreated 2015-03-12, last modified 2018-07-24