1. Which of the following is not a primary function of proteins?
a. Insulin b. Collagen c. Antibodies d. Energy

D

Explanation:

 Proteins are polymers of amino acids. Amino acids are joined together by peptide bonds. The most important function of proteins growth and repair of body.

answer; i believe the correct answer is (d) are very restrictive in the choice of care.

answer; i believe the correct answer is ( mediation);