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- Mar 2022
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bio.libretexts.org bio.libretexts.org
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the electron transport chain can no longer pump electrons into the intermembrane space
I suspect that someone made a typo here. The electron transport chain does not pump electrons into the intermembrane space; it uses electrons to pump hydrogen ions across the inner membrane of the mitochondrion. If electrons were pumped into the intermembrane space, it wouldn't affect pH, because pH is a measure of hydrogen ion density.
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