Which of the following is not is not a function of a protein
A Supply body with energy
B Helps build and maintain muscle
C Helps fight off infection
D Helps keep the body warm

A.  Supply body with energy

Explanation:

  [D]   Helps keep the body warm

Explanation:

delegated (sometimes called enumerated or expressed) powers are specifically granted to the federal government in article i, section 8 of the constitution. this includes the power to coin money, to regulate commerce, to declare war, to raise and maintain armed forces, and to establish a post office.