In Cytochrome p450, P stands for____________?
Correct answer: C. Pigment
- A. Structural proteins
- B. Substrate protiens
- C. Pigment
- D. Polymer
Explanation
In cytochrome P450, P stands for pigment because these heme-containing proteins show a characteristic absorption peak near 450 nm when reduced and bound to carbon monoxide. The 450-nm spectral feature gives the enzyme family its name.
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