Which of the Following Statements Describes the Role of Insulin

Multiple Choice

Which of the following statements describes the role of insulin in the body? I.Insulin signals to cells to allow glucose to enter.
II) Insulin stimulates the conversion of glucose to glycogen.
III) Insulin stimulates the hydrolysis of glucose from glycogen.

A) All of these describe the role of insulin in the body.
B) I only
C) II only
D) III only
E) I and II