Question

Lactose is made of ______.

पर्याय

• α-D-glucose only

• α-D-glucose and β-D-glucose

• α-D-galactose and β-D-glucose

• β-D-galactose and β-D-glucose

Answer 1

Lactose is made of β-D-galactose and β-D-glucose.

Explanation:

Lactose (milk sugar) is a disaccharide, it is made of β-D-galactose and β-D-glucose.