A small protein attached to the outer surface of the inner membrane and which acts as a moblie carrier for transfer of electrons between complex III and IV is

Options

(a) Cytochrome d
(b) Cytochrome c
(c) Cytochrome b
(d) Cytochrome a

Correct Answer:

Cytochrome c

Explanation:

Cytochrome is a small protein attached to the outer surface of inner mitochondrial membrane, which acts as a mobile carrier of electrons and transfers electrons between complex III (UQH₂-cytochrome creductase complex) and complex IV (cytochrome c oxidase complex)