Question

which substance is a nucleic acid?
amino acid
fat
polysaccharide
rna

Explanation:

Nucleic acids are macromolecules that store and transmit genetic information. RNA (ribonucleic acid) is one of the two main types of nucleic acids, along with DNA (deoxyribonucleic acid). Amino acids are the building - blocks of proteins, fats are lipids, and polysaccharides are carbohydrates.

Answer:

RNA