Electron transport chain

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Created by
Gibby Gibson

Cards (4)

  • The electron transport chain is a series of carrier proteins attached to the inner mitochondrial membrane.
  • Electrons are passed along the chain releasing energy.
  • This energy allows hydrogen ions to be pumped across the inner mitochondrial membrane. The flow of these ions back through the membrane protein ATP synthase results in the production of ATP. Finally, hydrogen ions and electrons combine with oxygen to form water.
  • The transfer of one H2 molecule releases 3 ATP molecules.
    This is called oxidative phosphorylation. Most ATP is generated in the electron
    transport chain.