CHEMIOSMOTIC

adjective Date: 1957 relating to or being a theory that seeks to explain the mechanism of ATP formation in oxidative phosphorylation by mitochondria and chloroplasts without recourse to the formation of high-energy intermediates by postulating the formation of an energy gradient of hydrogen ions across the organelle membranes that results in the reversible movement of hydrogen ions to the outside and is generated by electron transport or the activity of electron carriers