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1. Plant mitochondria have uncoupling protein that allows H+ to diffuse from the intermembrane space back to the matrix, and animals don't. Having this protein seems to decrease amount of ATP generated, so it is still unclear what its function is.

2. They also have Alternative Oxidase (AOX) which provides alternative route for electrons passing through electron transport chain to reduce Oxygen to water.

3. Two NAD(P)H dehydrogenases, both Ca2+-dependent,

attached to the outer surface of the inner membrane

facing the intermembrane space can oxidize cytosolic NADH and NADPH.

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11y ago
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Q: What is the difference between plant cell and animal cell mitochondria?
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