Mitochondrial Intermembrane space ATP synthase 4H 4H H 2Cyt-c ox Q 2CoQ oQH2 cyt. o (CoQUI CoQH2d oOH> cyTc red CoOH 2cycu° FADH? CoQ FAD H NAD 8H 2H20 UNADH 2H Succinate numerate ATP<= Complex ll Complex IV Succinate dehydrogenase Cytochrome c oxidase ADP Complex I ComplexⅢl (NADH Dehydrogenase Cytochrome b-C