The sequence of events in electron transport was elucidated in part by the use of inhibitors that bl… Show more The sequence of events in electron transport was elucidated in part by the use of inhibitors that block electron transfer at specific points along the chain. For example, adding rotenone (a plant toxin) or amytal (a barbiturate) blocks electron trans- port in Complex I; antimycin A (an antibiotic) blocks electron transport in Complex III; and cyanide (CN2) blocks electron transport in Complex IV by binding to the Fe21 in the Fe–Cu binuclear center. What happens to oxygen consumption when these inhibitors are added to a suspension of respiring mitochondria? • Show less