KROK 1 2009 – Question 115 · KROK (Medicine) · Biological Chemistry

Vitamin B1 deficiency causes disturbance of oxidative decarboxylation of α-ketoglutaric acid. This leads to the impaired synthesis of the following coenzyme:

  1. A. Flavine adenine dinucleotide
  2. B. Lipoic acid
  3. C. Nicotinamide adenine dinucleotide
  4. D. Thiamine pyrophosphate
  5. E. Coenzyme A
Hint

Think of the cofactors of the α-ketoglutarate dehydrogenase complex and which of them is made from the vitamin mentioned in the stem.

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