First slide

Aerobic Respiration

Question

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

Moderate

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.

Solution

Cytochrome c oxidase is also known as Complex IV. It has Fe in its cytochrome a and $a_{3}$ . It also has two Cu containing proteins centres named as ${Cu}_{A} and {Cu}_{B}$ . It oxidises the cytochrome c and reduces oxygen to form water.

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