Question

In lactose, the glycosidic linkage exist between

• A. $C _{4}$ of $\beta- D$-galactose and $C _{1}$ of $\alpha- D$-glucose
• B. $C _{1}$ of $\alpha- D$-galactose and $C _{4}$ of $\alpha- D$-glucose
• C. $C _{4}$ of $\beta- D$-galactose and $C _{1}$ of $\beta- D$-glucose
• D. $C _{1}$ of $\beta$-D-galactose and $C -4$ of $\beta- D$-glucose

Answer 1

Answer: (D)

In lactose, the glycosidic linkage exist between $C-1$ of $\beta-D$-Galactose and $C-4$ of $\beta-D$-Glucose.