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Chemistry
The linkage between the two monosaccharide units in lactose is
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Q. The linkage between the two monosaccharide units in lactose is
KEAM
KEAM 2011
Biomolecules
A
$C_1$ of $\beta-D-$glucose and $C_4$ of $\beta-D-$galactose
16%
B
$C_1$ of $\beta-D-$galactose and $C_4$ of $\beta-D-$glucose
43%
C
$C_1$ of $\alpha-D-$galactose and $C_4$ of $\beta-D-$glucose
23%
D
$C_1$ of $\beta-D-$galactose and $C_4$ of $\alpha-D-$glucose
12%
E
$C_1$ of $\alpha-D-$glucose and $C_4$ of $\beta-D$-glucose
12%
Solution:
C-1 of $\beta$-D-galactose and C-4 of $\beta$-D-glucose. In lactose, $\beta$-D-gaiactose is joined to C-4 of $\beta$-D-glucose.