Definition Of Chemiosmotic Hypothesis

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Medical Definition of chemiosmotic. This hypothesis stated that a proton-motive force was responsible for driving the synthesis of ATP.

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Definition of chemiosmotic hypothesis. Chemiosmosis is the movement of ions across a semipermeable membrane bound structure down their electrochemical gradient. ATP is the abbreviation that is used for adenosine triphosphate. Relating to or being a hypothesis that seeks to explain the mechanism of ATP formation in oxidative phosphorylation by mitochondria and chloroplasts without recourse to the formation of high-energy intermediates by postulating the formation of an energy gradient of hydrogen ions across the organelle membranes that results in the reversible movement of hydrogen ions to the.

It is the generation of ATP by ATP synthase in an electron transport chain. In this hypothesis protons would be pumped across the inner mitochondrial membrane as electrons went through the electron transfer chain. Chemiosmotic Hypothesis It is the biological process of producing ATP molecules through the action of ATP synthase.

As the proton concentration increases in the intermembrane space a strong electrochemical gradient is established across the inner membrane. This gradient then is used to drive the synthesis of ATP. Chemiosmotic is relating to or being a hypothesis that seeks to explain the mechanism of ATP formation in oxidative phosphorylation by mitochondria and chloroplasts without recourse to the formation of high-energy intermediates by postulating the formation of an energy gradient of hydrogen ions across the organelle membranes that results in the reversible movement of hydrogen ions to the outside and is.

Mitchell is a widely supported model. Mitchell that the mitochondrionfunctioned as a kind of electrochemical capacitor using the energy of NADHand FADH2to create a proton gradientacross the mitochondrialmembraneand that this energy was used by a reversible proton pump the ATP synthase to create ATP. A chemiosmotic hypothesis is a biological process that was theorized in 1961 by a British biochemist known by the name Peter Dennis Mitchell.

The Chemiosmotic Hypothesisis the proposal in 1961 by Peter D. General Art Business Computing Medicine Miscellaneous Religion Science Slang Sports Tech Phrases We found 4 dictionaries with English definitions that include the word chemiosmotic hypothesis. The energy generated by oxidative phosphorylation generates a proton gradient across the membrane of the mitochondrion that drives the enzymic resynthesis of ATP.

However at the present time the chemiosmotic-coupling hypothesis-proposed by P. In many cells proton gradient provides the energy for the synthesis of ATP. Click on the first link on a line below to go directly to a page where chemiosmotic hypothesis is defined.

It begins with NADH and FADH 2 that loses electrons. The energy generated by oxidative phosphorylation generates a proton gradient across the membrane of the mitochondrion that drives the enzymic resynthesis of ATP 2. ETC is an oxidative phosphorylation reaction that takes place in the inner membrane of the mitochondria.

It is a process by which ATP molecules are produced through the action of ATP synthase. These electrons are transferred along the chain. The chemiosmotic hypothesis was proposed by Peter Mitchell.

In 1961 a British biochemist by the name of Peter Dennis Mitchell theorized the Chemiosmotic hypothesis which explains how the energy molecules ATP. Adenosine triphosphate are created during photosynthesis. The exact mechanism that couples the energy of electron transfer to the phosphorylation of ADP remains somewhat speculative.

Proposed by Peter Mitchell in 1961. An example of this would be the formation of adenosine triphosphate ATP by the movement of hydrogen ions H across a membrane during cellular respiration or photosynthesis. The Chemiosmotic Hypothesis The chemiosmotic hypothesis was proposed by Peter Mitchell.

Chemiosmosis The movement of ions across a selectively permeable membrane down an electrochemical gradient usually understood to mean the respiratory chain in mitochondria. Chemiosmotic theory is a theory which states that the energy liberated by the oxidation- reduction reactions of a respiratory chain can be conserved in the form of an electrochemical gradient of protons across the membrane. Ions are molecules with a net electric charge such as Na Cl or specifically in chemiosmosis that generates energy H.

Chemiosmosis Definition Chemiosmosis is when ions move by diffusion across a semi-permeable membrane such as the membrane inside mitochondria. Biochemistry biochem the mechanism by which the synthesis and utilization of the biochemical energy source ATP is regulated. Biochemistry biochem the mechanism by which the synthesis and utilization of the biochemical energy source ATP is regulated.

Chemiosmotic theory a hypothesis proposing that cellular energy requiring processes such as ATP synthesis and ion pumping may be driven by a pH and membrane potential gradient. Chemiosmosis is the process of diffusion of ions usually H ions also known as protons across a selectively permeable membrane and thus proton gradient developed.

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