Question

Which one of the following statement about cytochrome $P_{450}$ is wrong?

• A. It has an important role in metabolism.
• B. It contain iron.
• C. It is a coloured cell.
• D. It is an enzyme involved in oxidation reaction.

Answer 1

The correct option is C It is a coloured cell.

A group of protein having heme metallic prosthetic group is called as cytochrome. Cytochrome $P_{450}$ is a monooxygenase and uses one oxygen atom from $O_2$ to hydroxylate its substrates and the other oxygen to produce water. It plays important role in drug metabolism. Option C is incorrect with respect to this protein.