. What elements are found in nucleic acids?

Nucleic acids contain the same elements as proteins: carbon, hydrogen, oxygen, nitrogen; plus phosphorous (C, H, O, N, and P). Nucleic acids are very large macromolecules composed of repetitive units of the same building blocks, nucleotides, similar to a pearl necklace made of many pearls. We can also define nucleic acids as polymers assembled from many smaller covalently bonded monomers.