Answer:
a nucleic acid
Explanation:
A nucleic acid is a biomolecule composed of subunits called nucleotides. Nucleotides are made of three types of molecules: a 5-carbon sugar molecule, a phosphate group, and a nitrogenous base. There are two types of nucleic acids: ribonucleic acid (RNA) and deoxyribonucleic acid (DNA) and they are involved in the genetic information transfer in living organisms.
