Respuesta :
Protiens. They also help control the rate of reactions. The attached picture is the polymer I created if it helps any if you need th elements it is made out of.

Answer:
Proteins.
Explanation:
Protein is one of the major biomolecule of living organisms and acts as a main building block of the body. Proteins are the polymers of amino acids.
Most of the enzymes present in living organism are made upof proteins. Antibodies made up of heavy and light chains are the constituent of proteins. Hormones like insulin, glucagon and epinephrine are proteinaceous in nature. Muscle contains protein like actin, myosin and nebulin. Hence, protein can act as antibody, enzyme, muscle and hormone.
Thus, the correct answer is option 2.