Galactosemia commonly is due to deficiency of_____________?
Correct answer: A. Galactose 1 phosphatase uridyl transferase
- A. Galactose 1 phosphatase uridyl transferase
- B. Galactose 1 phosphatase
- C. Glucose 1 phosphatase
- D. Glucose 6 phosphatase
Explanation
Classic galactosaemia results from deficiency of galactose-1-phosphate uridyltransferase, which prevents normal conversion of galactose-1-phosphate in the Leloir pathway. The option's wording is misspelled but clearly refers to this enzyme.
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