Biological energy conversion.
D000251:Adenosine Triphosphatases / Q000502:physiology; D000255:Adenosine Triphosphate / Q000502:physiology; D001674:Bioelectric Energy Sources; D004734:Energy Metabolism; D004735:Energy Transfer; D006801:Humans; D008928:Mitochondria / Q000378:metabolism
D000255:Adenosine Triphosphate; D000251:Adenosine Triphosphatases