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The immeadiate source of energy used by the mitochondria is ATP (Adenosine Triphosphate) which is cellular energy. First Glycolysis (the breaking down of glucose) becomes pyruvic acid after it's broken down. Then in the Krebs Cycle, the pyruvic acid is broken down into carbon dioxide in a series of energy extracting reactions. This later generates a high amount of NADH and FADH2 which are electron carriers. These electron carriers are then sent to the Electron Transport chain where it is used to convert ADP into ATP which the mitochondria then uses.

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16y ago
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12y ago

During oxidative phosphorylation, NADH and FADH oxidizes at the hydrogen carriers to provide electrons to the electron transport chain (etc) (chain of electron carriers) and H+ ions. As electrons pass through the etc, ATP is synthesized.

If energy is ever needed along the process, ATP is used. But i doubt it as the electron do not require external chemical energy to move along the carriers.

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12y ago

Concentration difference (gradient) of protons inside the mitochondrial matrix and the mitochoncdrial intermembrane space supplies the potential energy that is used for ATP synthesis (conversion of ADP plus inorganic Phosphate into ATP).

The energy, supplied by 3 protons re-entering the mitochondrial matrix, supplies enough potential energy for the synthesis of one ATP molecule.

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14y ago

Immediate source would be the energy stored in the proton gradient and potential difference between the mitochondrial matrix space and intermembrane space.

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13y ago

Energy source is in the H+ ion concentration across the membrane holding the ATP synthase.

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14y ago

Proton motive force

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12y ago

Photosynthesis.

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11y ago

proton

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Q: What is The immediate source of energy for oxidative phosphorylation?
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Compare and contrast photophosphorylation and oxidative phosphorylation?

Oxidative phosphorylation is ATP synthesis driven by electron transfer to oxygen and photophosphorylation is ATP synthesis driven by light. Oxidative phosphorylation is the culmination of energy-yielding metabolism in aerobic organisms and photophosphorylation is the means by which photosynthetic organisms capture the energy of sunlight, the ultimate source of energy in the biosphere.


What is the pathway of energy transfer from the source in cellular respiration to its end product?

Electron transport chain and oxidative phosphorylation


What is the opposite of oxidative phosphorylation?

The opposite of phosphorylation is dephosphorylation. Source: http://en.wikipedia.org/wiki/Dephosphorylation


What advantages does oxidative phosphorylation have over anaerobic glycolysis?

Both processes are run inside the human body in order to produce energy. Oxidative phosphorylation produces much more energy at a less of an expense than anaerobic glycolysis. It also has energy coming from multiple sources unlike anaerobic glycolysis which only comes from one source.


What is the direct energy source that drives ATP synthesis during respiratory oxidative phosphorylation in eukaryotic cells?

the proton-motive force across the inner mitochondrial membrane.


Energy released by electrons is often used to phosphorylate?

Adenosine triphosphate, or ATP, is the most common source of energy in cells, and is created through phosphorylation. This can be photophosphorylation (as occurs in photosynthesis) or substrate level phosphorylation, or oxidative phosphorylation. ATP is created by adding a phosphate group to ADP (adenosine diphosphate), so the answer to your question would be that the energy is used to phosphorylate ADP, turning it into ATP.


When glucose is used as the energy source the largest amount of ATP is produced?

When glucose is used as the energy source the largest amount of ATP is produced during complete oxidative respiration by utilizing the efficiencies of the electron transport chain. Other metabolic pathways like fermentation capture only a small fraction of potential energy compared to oxidative respiration.


Is are the body primary and immediate source of energy?

Carbohydrates are the body's primary and immediate source of energy.


Are the body's primary and immediate source of energy?

Carbohydrates are the body's primary and immediate source of energy.


What is the process of converting energycfrom a light -excited electron into pyrophosphate bond of an ADP molecule?

Most probably it is the substrate-level phosphorylation.


What is the immediate energy source for the body?

Glycogen


What is the direct energy source that drives ATP synthesis during respiratory oxidative phosphorylation?

The difference in H+ concentrations on opposite sides of the inner mitochondrial membrane. During oxidative phosphorylation, NADH and FADH oxidizes at the hydrogen carriers to provide electrons to the electron transport chain (etc) (chain of electron carriers) and H+ ions. As electrons pass through the etc, ATP is synthesized. If energy is ever needed along the process, ATP is used. But i doubt it as the electron do not require external chemical energy to move along the carriers.