Biology

The main function of the electron transport chain is to produce the majority of ATP for the cell.

The electron transport chain is the final stage of aerobic cellular respiration, and its main function is to generate ATP through the process of oxidative phosphorylation. High-energy electrons carried by NADH and FADH₂ are passed along a series of protein complexes in the inner mitochondrial membrane, and their energy is used to pump protons (H⁺) across the membrane, creating a proton gradient. The energy from this gradient drives the production of ATP via ATP synthase.

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