ETC
:
- Delivery of electrons by NADH and FADH2:
transfer their electrons to mols near start of ETC
- Electron transfer and proton pumping:
Electrons passed down chain, higher to lower energy level, release energy.
Energy used to pump H+ ions into intermem space. Electrochem gradient
- Splitting oxygen form water:
end of ETC, electrons transferred to molecular O2, split in half, take up H+= water
-Grad-driven synthesis:
H+ ions flow down their grad into matrix, ATP synthase
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