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