KROK 1 2020 – Question 115 · KROK (Medicine) · Biological Chemistry
A test animal kept on a low-protein diet developed fatty infiltration of the liver due to low levels of methylating agents. What amino acid is a methylating agent?
- A. Valine
- B. Cysteine
- C. Methionine
- D. Phenylalanine
- E. Tyrosine
Hint
Think about which dietary amino acid is activated to donate methyl groups, and how that is linked to the phospholipids needed to remove fat from hepatocytes.
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