Proton Motive Force Definition

Related to Proton-motive force. Here you find 3 meanings of the word proton-motive force.

Proton Motive Force Biology As Poetry

Proton motive force refers to the proton gradient that is established across the inner mitochondrial membrane during electron transfer through Complexes I II and IV.

Proton motive force definition. Bitte scrollen Sie nach unten und klicken Sie um jeden von ihnen zu sehen. 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. A force analogous to the electromotive force which acts on the proton gradient between the two sides of a cell membrane and is equal to the sum of the electric potential difference and the pH gradient through the membrane.

The energy generated by oxidative. Proton motive force is the force which results from an electrochemical gradient of protons across a membrane and which can be used to drive ATP synthesis and certain other energy-requiring processes of. Die Energie der zurckflieende Protonen liefert die Energie fr den von der ATP-Synthase katalysierten Prozess.

The protonmotive force generated during substrate oxidation is not used exclusively to drive ATP synthesis. 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. Fr alle Bedeutungen von PMF klicken Sie bitte auf Mehr.

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. Wenn Sie unsere englische Version besuchen und Definitionen von Proton Motive Force in anderen Sprachen sehen mchten klicken Sie bitte auf. Proton motive force PMF is the force that promotes movement of protons across membranes downhill the electrochemical potential.

In most cases the proton-motive force is generated by an electron transport chain which acts as a proton pump using the Gibbs free energy of redox reactions to pump protons hydrogen ions out across the membrane separating the charge across the membrane. Neben Proton Motive Force hat PMF andere Bedeutungen. Proton-motive force synonyms Proton-motive force pronunciation Proton-motive force translation English dictionary definition of Proton-motive force.

PMF elektrochemischer Protonengradient Bezeichnung fr die an einer biologischen Membran anliegende elektrochemische Potentialdifferenz fr Protonen. Its energy can either be used right away to do work like power flagella or. National Library of Medicine 000 0 votes Rate this definition.

Edge gradient in radiology the penumbra or partial shadow on a radiograph caused by the three-dimensional shape of an object. Chemicalcontribution G chem nRT ln H in H out n number of protons translocated p - 0059 V pH p - 017 - 003 - 020 V 2. Basically this causes the cell to act like a tiny battery.

Proton Motive Force P Abk. Proton motive force PMF is the force that promotes the movement of protons across membranes downhill the electrochemical potential. In mitochondria energy released by the electron transport chain is used to move protons from the mitochondrial matrix N side to the.

Chemiosmosis Chemiosmotic theory chemiosmosis The movement of ions across a selectively permeable membrane down an electrochemical gradient usually understood to mean the respiratory chain in mitochondria. What does proton-motive force mean. The proton motive force occurs when the cell membrane becomes energized due to electron transport reactions by the electron carriers embedded in it.

The Protonmotive Force Protonmotive force p is the energy of the proton concentration gradient. Proton-motive force can be generated by a variety of phenomena including the operation of an electron transport chain illumination of a PURPLE. Some protons leak back across the mitochondrial inner membrane constantly consuming the membrane potential and stimulating activity of the respiratory chain to maintain it Jastroch Divakaruni Mookerjee Treberg Brand 2010.

You can also add a definition of proton-motive force yourself. The potential energy stored in the form of an electrochemical gradient generated by the pumping of hydrogen ions across biological membranes during chemiosmosis. Protonenmotorische Kraft protonenverschiebende Kraft proton motive force Abk.

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Biochem the mechanism by which the synthesis and utilization of the biochemical energy source ATP is regulated.

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