respiratory chain

(redirected from electron-transport chain)

res·pi·ra·to·ry chain

a sequence of energy-liberating oxidation-reduction reactions whereby electrons are accepted from reduced compounds and eventually transferred to oxygen with the formation of water.
References in periodicals archive ?
In addition to being a component of oxygen-carrying hemoglobin, iron is a cofactor for cytochrome oxidase, which is essential for mitochondrial energy production through its role in the electron-transport chain.
All members of this gene group regulate the electron-transport chain, a series of biochemical reactions that generates energy in cells.
Comment: In addition to its role in hemoglobin synthesis, iron is a cofactor for some of the enzymes of the electron-transport chain, which are essential for myocardial energy production.