The correct difference between cellulose and glucose from the options provided is:
Glucose is not used to give structure to plants’ cell walls while cellulose is.
Cellulose is a complex carbohydrate (a polysaccharide) that forms the structural component of the cell walls in plants, while glucose is a simple sugar (a monosaccharide) that serves as a primary energy source. The other statements are incorrect regarding the nature of these compounds.