Question

lactose, as sugar in milk, is composed of one glucose molecule joined by a glycosidic linkage to one galactose molecule. how is lactose classified? as a pentose as a hexose as a monosaccharide as a disaccharide as a polysaccharide

Explanation:

Lactose is composed of one glucose molecule joined by a glycosidic linkage to one galactose molecule. Disaccharides are sugars formed by the linkage of two monosaccharides. Since lactose is made up of two monosaccharides (glucose and galactose), it is classified as a disaccharide.

Answer:

as a disaccharide