KROK 1 2009 – Question 42 · KROK (Medicine) · Biological Chemistry
Nappies of a newborn have dark spots being the evidence of homogentisic acid formation. This is caused by the metabolic disorder of the following substance:
- A. Cholesterol
- B. Tyrosine
- C. Galactose
- D. Methionine
- E. Tryptophan
Hint
Think about the breakdown pathway of aromatic amino acids and where homogentisic acid appears in it, just before the next enzymatic step.
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