Which of the following ETS complexes is inhib | vedclass

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(C) Cyanide $(CN^-)$ acts as a potent inhibitor of the electron transport system $(ETS)$.It specifically binds to the ferric $(Fe^{3+})$ iron in the h

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Complex-$IV$

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(C) Cyanide $(CN^-)$ acts as a potent inhibitor of the electron transport system $(ETS)$.It specifically binds to the ferric $(Fe^{3+})$ iron in the heme $a_3$ of cytochrome $c$ oxidase.Cytochrome $c$ oxidase is known as Complex-$IV$ in the mitochondrial electron transport chain.By binding to this complex,cyanide prevents the transfer of electrons to oxygen,thereby halting the entire electron transport chain and inhibiting oxidative phosphorylation.

Which of the following $ETS$ complexes is inhibited by cyanide?

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