Biochemistry General 186ba321 Which component transfers four protons: A NADH-Q Oxidoreductase B Cytochrome -C oxidase C Cytochrome C - Q oxidoredictase D Isocitrate Dehydrogenase High-Yield Explanation A i.e. NADH-Q Oxidoreductase; C i.e. Cytochrome C-Q oxidoreductase