KROK 1 2023 – Question 124 · KROK (Medicine) · Biological Chemistry

A certain vitamin, as a coenzyme, is a component of glutamic acid decarboxylase, it takes part in GABA formation and its deficiency can cause convulsions. Name this vitamin.

  1. A. Folic acid
  2. B. Tocopherol
  3. C. Ascorbic acid
  4. D. Cobalamin
  5. E. Pyridoxine
Hint

Think about the coenzyme form of the water-soluble B vitamin that serves decarboxylases and transaminases and is needed to make the main inhibitory brain transmitter.

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