proton gradient

collocation in English

meaningsofprotonandgradient

These words are often used together. Click on the links below to explore the meanings. Or,see other collocations withgradient.
proton
noun[C]
uk
/ˈprəʊ.tɒn/us
/ˈproʊ.t̬ɑːn/
a type of elementary particle (= a very small piece of matter) with a positive electrical charge that is found in the nucleus of ...
See more atproton
gradient
noun[C]
uk
/ˈɡreɪ.di.ənt/us
/ˈɡreɪ.di.ənt/
how steep a ...
See more atgradient

(Definition ofprotonandgradientfrom theCambridge English Dictionary© Cambridge University Press)

Examplesofproton gradient

These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
During the process aprotongradientis built up setting up a plasma membrane potential with or without companion movement of other ions.
From theCambridge English Corpus
A common feature of all electron transport chains is the presence of a proton pump to create a transmembraneprotongradient.
From
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The inhibition of this reaction disrupts the formation of theprotongradientacross the inner membrane.
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These motors are powered by theprotongradientacross the membrane.
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The oxidation process involves the generation of aprotongradienton the intracytoplasmic face of the anammoxasome.
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These bacteria use the energy of light to create aprotongradientusing a photosynthetic electron transport chain.
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Nitrate is taken up by several nitrate transporters that use aprotongradientto power the transport.
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This transport process is driven by aprotongradientbetween cell organelles and the cytoplasm.
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Theprotongradientis used to produce useful work.
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Some terminal oxidases generate a transmembraneprotongradientacross the plasma membrane (prokaryotes) or the mitochondrial inner membrane (eukaryotes).
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At the same time, four protons are removed from the mitochondrial matrix (although only two are translocated across the membrane), contributing to theprotongradient.
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Both the direct pumping of protons and the consumption of matrix protons in the reduction of oxygen contribute to theprotongradient.
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The protons are released into the thylakoid lumen, thus contributing to the generation of aprotongradientacross the thylakoid membrane.
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It recovers energy for the cell by funneling electrons into the respiratory chain and by increasing theprotongradient.
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The transfer of electrons is coupled to the translocation of protons across a membrane, producing aprotongradient.
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These also produce aprotongradient, but in a quite different and more indirect way involving an electron transfer chain consisting of several other proteins.
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Since the middle of the 1970s, his lab has studied the biochemistry of bacteriorhodopsin, a membrane protein that converts light energy into chemical energy by creating aprotongradient.
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This means that these reactions are readily reversible, by increasing the concentration of the products relative to the concentration of the reactants (for example, by increasing theprotongradient).
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Here, proton gradients are used to drive secondary transport processes.
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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Go to the definition ofproton
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See other collocations withgradient