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Q.
The monosaccharide constituents of lactose are
AMUAMU 2014Biomolecules
Solution:
Lactose on hydrolysis with dilute acid, produces an equimolar mixture of $\beta-D(+)$-glucose and $\beta-D(+)$ - galactose, thus, its monosaccharide constituents are $\beta-D$- -glucose and $\beta$-$D$-galactose