Which of the following cytochromes donates el | vedclass

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Question

(B) In the electron transport system $(ETS)$ located in the inner mitochondrial membrane,the final step involves the transfer of electrons to oxygen.C

Vedclass · Accepted Answer

$cyt-a_3$

Vedclass · Answer

(B) In the electron transport system $(ETS)$ located in the inner mitochondrial membrane,the final step involves the transfer of electrons to oxygen.Complex $IV$ (Cytochrome $c$ oxidase complex) contains cytochromes $a$ and $a_3$,along with two copper centers.Cytochrome $a_3$ is the specific component that directly transfers electrons to molecular oxygen $(O_2)$,which then combines with protons $(H^+)$ to form water $(H_2O)$.

Which of the following cytochromes donates electrons to oxygen in the electron transport system?

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