Which of the following statements describes ways cellulose and starch are similar to and different from each other? cellulose and starch are used for structural support in animals, but not plants. cellulose and starch are both made up of glucose monomers, and cellulose is used as the primary source of energy in animals. starch and cellulose are both monosaccharides, but starch is used for protection while cellulose is used for transport. starch and cellulose are both polysaccharides, and most animals can break down starch for energy but not cellulose.