Which Statement Is FALSE with Regard to Proteins

Multiple Choice

Which statement is FALSE with regard to proteins?

A) Their roles in the body include acting as enzymes,providing structural support,and signaling between cells. 
B) They make up a greater percentage of body mass than carbohydrates do.
C) They are composed of nucleic acids.
D) They are macromolecules with subunits linked by polypeptide bonds.
E) They are polymers made up of amino acids.