In oxidative phosphorylation, useful energy is harnessed by the cell from the movement of across the inner mitochondrial membrane into the matrix a concentration gradient.

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22-08-2022
Biology

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In oxidative phosphorylation, useful energy is harnessed by the cell from the movement of across the inner mitochondrial membrane into the matrix a concentration gradient.

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Yakavi Yakavi · Answer 1 · 2022-08-30T01:27:56-04:00

In oxidative phosphorylation, useful energy is harnessed by the cell from the movement of proton across the inner mitochondrial membrane into the matrix down a concentration gradient.

The mechanism through which ATP generation is linked to the flow of electrons along the mitochondrial electron transport chain and the accompanying consumption of oxygen is known as oxidative phosphorylation. This is the most effective ATP production mechanism, producing around 36 ATP molecules per glucose molecule, as opposed to the two molecules of ATP produced by glycolysis.

The free energy generated by the stepwise oxidation processes of NADH, FADH2, and ubiquinol drives protons from the mitochondrial matrix, past the inner membrane of the mitochondria, and into the intermembranous space. The pumping motion causes a massive proton concentration imbalance between the intermembranous space and the matrix. The potential energy held in the proton gradient is subsequently utilised to fuel ATP synthase, which phosphorylates ADP to produce ATP.

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In oxidative phosphorylation, useful energy is harnessed by the cell from the movement of __________ across the inner mitochondrial membrane into the matrix __________ a concentration gradient.

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In oxidative phosphorylation, useful energy is harnessed by the cell from the movement of across the inner mitochondrial membrane into the matrix a concentration gradient.