The linkage present in Lactose is _____.
Q.1 (ii) The linkage present in Lactose is _____.
A. α, β –1, 2 – glycosidic linkage
B. α –1, 4 – glycosidic linkage
C. β –1, 4 – glycosidic linkage
D. α –1, 4 – glycosidic linkage
1 answer
Best answer
Answer: C. β –1, 4 – glycosidic linkage
Answer: (c) β –1, 4 – glycosidic linkage
Lactose (milk sugar) is a disaccharide of β-D-galactose and D-glucose. C-1 of β-D-galactose is joined to C-4 of glucose, so the linkage is a β-1,4-glycosidic linkage. (The α,β-1,2 linkage is found in sucrose and the α-1,4 linkage in maltose. Options (b) and (d) are printed identically on the paper; both are wrong for lactose.)
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· 29 Oct 2026
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