Which of the Following Statements About Starch and Glycogen Is $\alpha$

Which of the following statements about starch and glycogen is false?

A) Amylose is unbranched;amylopectin and glycogen contain many ( $\alpha$ 1 $\rightarrow$ 6) branches.
B) Both are homopolymers of glucose.
C) Both serve primarily as structural elements in cell walls.
D) Both starch and glycogen are stored intracellularly as insoluble granules.
E) Glycogen is more extensively branched than starch.