M.Sc. Bio-Chemistry (PU-CET P.G) 2022 Panjab University Entrance Exam With Answers

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9.

A nursing female with classic galactosemia is on a galactose-free diet. She is able to produce lactose in breast milk because:

A: Galactose can be produced from fructose by isomerisation
B: Galactose can be produced from a glucose metabolite by epimerization
C: Hexokinase can efficiently phosphorylate galactose to galactose-1-phosphate
D: The enzyme affected in galactosemia is activated by a hormone produced in the mammary gland

The answer is: B