<prompt> Cytochrome oxidase in oxidative phosphorylation is inhibited byCOH2SRotenoneAmobarbital  <response>: Cyanide and carbon monoxide kill because they disrupt the physiologic function of the heme proteins cytochrome oxidase and hemoglobin,respectively.Ref: Harper;s Biochemistry; 30th edition; Chapter 6 Proteins: Myoglobin Hemoglobin 