Which of these are respiratory poisons or inh | vedclass

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(D) Respiratory poisons are substances that inhibit the process of cellular respiration by blocking the electron transport chain $(ETC)$.$1$. Cyanides

Vedclass · Accepted Answer

All of these

Vedclass · Answer

(D) Respiratory poisons are substances that inhibit the process of cellular respiration by blocking the electron transport chain $(ETC)$.$1$. Cyanides inhibit cytochrome $c$ oxidase (Complex $IV$) in the $ETC$.$2$. Antimycin-$A$ inhibits the oxidation of ubiquinol by cytochrome $c$ reductase (Complex $III$).$3$. Carbon monoxide binds to the iron in cytochrome $c$ oxidase,similar to cyanide,thereby blocking the electron flow.Therefore,all the listed substances act as inhibitors of the electron transport chain.

Which of these are respiratory poisons or inhibitors of electron transport chain?

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