MCQ
Which of the following acts as mobile carrier for transfer of electrons between complex $III$ and complex $IV$?
  • Cytochrome $c$
  • B
    Cytochrome $a_3$
  • C
    Cytochrome $a$
  • D
    $\ce{FADH_2}$

Answer

Correct option: A.
Cytochrome $c$
Cytochrome c is a small protein attached to outer surface of the inner membrane and acts as mobile carrier for transfer of electrons between complex $III$ and $IV$.

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