Which biologic molecule is comprised of polymers of amino acids?

Question

Quizplus · Accepted Answer

Proteins are made of carbon, hydrogen, oxygen, and nitrogen, which are arranged as chains (polymers) of amino acids.
Carbohydrates are made of carbon, hydrogen, and oxygen.
Lipids are polymers of fatty acids. They contain a long, nonpolar hydrocarbon chain with a small, polar part containing oxygen.
Nucleic acids are composed of nucleotides, which are the monomers made of three components: a 5-carbon sugar, a phosphate group and a nitrogenous base.

Which Biologic Molecule Is Comprised of Polymers of Amino Acids