Answer: d. proteins are made of amino acids, vitamins, and minerals
Proteins are biomolecules that are found in all living things. They are made up of long chains of amino acids. The long chain exhibit specific amino acids, which makes up a typical protein molecule. Hence, proteins can be distinguished based upon the amino acid composition. Vitamins and minerals are not the components of proteins because they are another class of biomolecules.
The answer is most likely D.
Scientific law. For example, Law of Universal Gravitation.
