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Chemistry
Lactose is made of
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Q. Lactose is made of
KEAM
KEAM 2010
Biomolecules
A
$ \alpha - $ $D$-glucose only
7%
B
$ \alpha - $ $D$-glucose and $ \beta - $ $D$-glucose
12%
C
$ \alpha - $ $D$-galactose and $ \beta - $ $D$-glucose
34%
D
$ \alpha - $ $D$-galactose and $ \beta - $ $D$-glucose
24%
E
$ \beta - $ $D$-galactose and $ \beta - $ $D$-glucose
24%
Solution:
Lactose (milk sugar) is a disaccharide, obtained by the condensation of one molecule of $ \beta - $ D-galactopyranose and one molecule of $ \beta - $ D-glucopyranose.
