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enot [183]
3 years ago
13

Where do the protons and electrons come from that are used in the electron transport chain?

Chemistry
1 answer:
blondinia [14]3 years ago
5 0
The energy generated by the movement of electrons is used to pump electrons across the inner mitochondrial membrane to an area of higher concentration. 17. Where do these protons (H+) come from? The originally came from a glucose molecule and were carried to the electron transport chain by NADH and FADH2.

The answer would be glucose molecule.
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