Which of the Following Statements Best Describes Why Proteins Are

Multiple Choice

Which of the following statements best describes why proteins are metabolized when calories are severely reduced?

A) Actually, fats are metabolized during a starvation diet, not proteins.
B) Proteins have the highest energy content per gram of any of the biomolecules.
C) Proteins contain amino acids, which fuel the brain.
D) Glycogen is a type of protein.
E) There is a metabolic pathway in which glucose can be made from protein.