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12 Cards in this Set
- Front
- Back
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matrix
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the region inside the mitochondrion's inner membrane
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intermembrane space
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the region between the mitochondrion's outer membrane and inner membrane
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redox reaction
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chemical reaction in which one reactant is oxidized and the other is reduced
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oxidation
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loss of electrons (loss of Hs)
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reduction
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gain of electrons (gain of Hs)
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glycolysis
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glucose is oxidized to 2 pyruvate, yielding 2 ATP and 2 NADH.
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citric acid cycle
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The 2 Cs bonded to S-CoA in acetyl CoA are oxidized to carbon dioxide, yielding NADH, FADH2, and ATP.
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substrate-level phosphorylation
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a phosphate is transferred directly from the substrate (compound that is being broken down) to ATP
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oxidative phosphorylation
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production of ATP using energy derived from the redox reactions of an electron transport chain
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chemiosmosis
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the potential energy of a hydrogen ion gradient is used to drive cellular work (such as ATP synthesis)
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electron transport chain
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high energy electrons are passed through proton complexes that use the energy to pump protons into the intermembrane space. Then the protons diffuse back into the matrix through ATP synthase, which uses the energy of diffusion to make ATP.
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fermentation
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in the absence of oxygen, pyruvate produced in glycolysis doesn't go on to the citric acid cycle, it is just converted into lactic acid
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