KROK 1 2023 – Question 20 · KROK (Medicine) · Biological Chemistry
A 7-year-old child was diagnosed with anemia. Laboratory testing detects pyruvate kinase deficiency in the erythrocytes. What process is disturbed in this case, playing the main role in the anemia development?
- A. Gluconeogenesis
- B. Anaerobic glycogenolysis
- C. Amino acid decarboxylation
- D. Anaerobic glycolysis
- E. Amino acid deamination
Hint
Mature erythrocytes lack mitochondria, so consider which pathway is their only source of ATP and how its last step is blocked.
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