KROK 1 2011 – Question 184 · KROK (Medicine) · Biological Chemistry
Study of conversion of a food colouring agent revealed that neutralization of this xenobiotic takes place only in one phase - microsomal oxydation. Name a component of this phase:
- A. Cytochrome B
- B. Cytochrome A
- C. Cytochrome P-450
- D. Cytochrome oxidase
- E. Cytochrome C
Hint
Think of the electron-transfer chain of the endoplasmic reticulum (not the mitochondria) that hydroxylates foreign compounds, and which haem protein it ends with.
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