Question

which monosaccharide is the monomer that forms glycogen and starch?
lactose
glucose
maltose
sucrose

Explanation:

Glycogen and starch are polysaccharides. Glucose is the monosaccharide monomer that forms them through glycosidic - linkages. Lactose is a disaccharide of glucose and galactose. Maltose is a disaccharide of two glucose units. Sucrose is a disaccharide of glucose and fructose.

Answer:

Glucose