Answer the following question given this paragraph: 

Nucleic acids are biochemical compounds that include RNA (ribonucleic acid) and DNA (deoxyribonucleic acid). Nucleic acids consist of chains of small molecules called nucleotides. Nucleotides are the monomers of nucleic acids. A nucleotide is shown in Figure below .


Q: What consist of chains of small molecules called nucleotides?

 Choices:

- Atomic acids

- structural acids

- nitrous acids

- nucleic acids

A:
nucleic acids
