The problem of in vivo transport of molecular oxygen through the mitochondrial membranes.
D001693:Biological Transport, Active; D004579:Electron Transport; D003576:Electron Transport Complex IV; D008566:Membranes / Q000378:metabolism; D008928:Mitochondria / Q000378:metabolism*; D010100:Oxygen / Q000378:metabolism*
D003576:Electron Transport Complex IV; D010100:Oxygen