What are nucleic acids made of?

Explanation:

nucleic acid is a polymeric macromolecule made up of repeated units of monomeric 'nucleotides' composed of a nitrogenous heterocyclic base which is either a purine or a pyrimidine, a pentose (five carbon) sugar (either ribose or 2′-deoxyribose), and one to three phosphate groups.

They are made up of monomers called nucleotides.

Explanation:

pentose sugar, phosphate group, and nitrogenous base.

your answer is rna to the question.