3. Citric acid cycle | Matrix of the Mitochondria | - Acetyl-CoA completely broken down to CO2 - Small amount of ATP produced - Electron carriers accept e- and H+ to become NADH/FADH2 |
4. Electron transport chain | Inner membrane of mitochondria | - The only step that requires O2 - H2O produced as a byproduct - Electron carriers NADH and FADH2 donate electrons and recycled back to NAD+ and FAD |