10H N Intermembrane space 2H+ FMN Matrix 2e 4节 2e 21 Succnate NADH (FADH) 1/20,+2H 10nm Complex I Complex lll Complex ll Complex IV NADH Cytochrome bc Succinate Cytochrome c Dehydrogenase dehydrogenase Oxidase SUBUNITS Mammalian mtDNA 7 0 nDNA 10 44 10 TOTAL 42 1 1 线粒体内膜呼吸链电子传递示意图 主讲：汤华 主讲：汤 华 线粒体内膜呼吸链电子传递示意图