Which of the following polymers of glucose is stored by animals?
(a) Cellulose
(b) Amylose
(c) Amylopectin
(d) Glycogen
Answer: (d). Glycogen is a polymer of glucose found in the liver, brain, and muscles of animals. Cellulose is a polymer found in the plant while amylose and amylopectin are structural units of starch.