KROK 1 2018 – Question 129 · KROK (Medicine) · Biological Chemistry
A hereditary disease - homocystinuria - is caused by disturbed transformation of homocysteine into methionine. Accumulated homocysteine forms its dimer (homocystine) that can be found in urine. What vitamin preparation can decrease homocysteine production?
- A. Vitamin B2
- B. Vitamin C
- C. Vitamin PP
- D. Vitamin B12
- E. Vitamin B1
Hint
Identify the coenzyme needed by the enzyme that remethylates homocysteine, then match it to the vitamins listed.
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