KROK 1 2007 – Question 160 · KROK (Medicine) · Biological Chemistry

A 1 y.o. child with symptoms of muscle affection was admitted to the hospital. Examination revealed carnitine deficit in muscles. Biochemical base of this pathology is disturbed process of:

  1. A. Lactic acid utilization
  2. B. Substrate phosphorylation
  3. C. Transporting of fatty acids to mitochondrions
  4. D. Regulation of Ca2+ rate in mitochondrions
  5. E. Actin and myosin synthesis
Hint

Carnitine is a carrier molecule, so think about which fuel molecules must be moved across the mitochondrial membrane before muscle can oxidise them.

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