Question

which carbohydrate makes up the cell walls of plants? a glycogen b starch c cellulose d chitin

Explanation:

Cellulose is a polysaccharide that provides structural support to plant cell - walls. Glycogen is the storage form of glucose in animals. Starch is a storage carbohydrate in plants, not a component of cell - walls. Chitin is found in the exoskeletons of arthropods and cell - walls of fungi, not plants.

Answer:

C. cellulose