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Electron Transfer Chain in eukaryotes
The electron transport chain is located in the inner mitochondrial membrane. It transfers electrons from carriers like NADH and FADH2 through a series of protein complexes, using the energy to pump protons across the membrane and create an electrochemical gradient. This gradient is used by ATP synthase to phosphorylate ADP and produce ATP, a process called oxidative phosphorylation. In this way, the electron transport chain harnesses the energy from electron transfers to produce the majority of the cell's ATP during aerobic respiration.
