Nucleic acids are made up of monomers called nucleotides. There are three components to a nucleotide: 1) a phosphate group, 2) a sugar, and 3) a nitrogenous base. read more
Nucleic acids also typically contain phosphorous, and nitrogen plays an important structural role in nucleic acids and proteins. The proteins, being made up a diverse set of amino acids, have, in addition to carbon, hydrogen, oxygen, and nitrogen, the elements sulfur and selenium. read more