Q.

Statement A: Cytochrome c oxidase has both Cu and Fe.Statement B: Cytochrome c oxidase reduces oxygen.

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a

Statement A is correct and B is incorrect

b

Statements A and B are incorrect.

c

Statement A is incorrect and B is correct.

d

Statements A and B are correct.

answer is D.

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Detailed Solution

Cytochrome c oxidase is also known as Complex IV. It has Fe in its cytochrome a and a3. It also has two Cu containing proteins centres  named as CuA and CuB. It oxidises the cytochrome c and reduces oxygen to form water.
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