34. Which of the following statements is false? (A) The brain prefers glucose as an energy source, but can use ketone bodies. (B) Elevated epinephrine levels stimulate the conversion of liver glycogen to blood glucose and stimulate fatty acid mobilization in adipose tissue. (C) At rest, fatty acids are the preferred fuel in skeletal muscle. (D) In skeletal muscle, fatty acids are the preferred fuel at rest. (E) Epinephrine triggers an increased rate of glycolysis in muscle by lowering the concentration of fructose 2,6-biphosphate.