Chemiosmosis is the movement of ions across a selectively permeable membrane, down their electrochemical gradient. More specifically, it relates to the generation of ATP by the movement of hydrogen ions across a membrane during cellular respiration or photosynthesis. Hydrogen ions (protons) will diffuse from an area of high proton concentration to...
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http://en.wikipedia.org/wiki/Chemiosmosis
<biochemistry, cell biology> A theoretical mechanism (proposed by Mitchell) to explain energy transduction in the mitochondrion. As a general mechanism it is the coupling of one enzyme catalysed reaction to another using the transmembrane flow of an intermediate species. For example Cytochrome oxidase pumps protons across the mitochondrial in...
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http://www.encyclo.co.uk/local/20973
The use of ion gradients across membranes, especially proton gradients, to generate ATP.
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A theoretical mechanism (proposed by Mitchell) to explain energy transduction in the mitochondrion. As a general mechanism it is the coupling of one enzyme-catalysed reaction to another using the transmembrane flow of an intermediate species, eg. cytochrome oxidase pumps protons across the mitochondrial inner membrane and ATP synthesis is ‘driven` by re-entry of protons through the ATP-synthesizing protein complex. The alternative model is production of a chemical intermediate species, but no compound capable of coupling these reactions has ever been identified.
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http://www.encyclo.co.uk/visitor-contributions.php
flow of hydrogen ions across the membrane through ATP synthase
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https://courses.lumenlearning.com/microbiology/chapter/glossary/
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