Final answer:
Nucleic acids, such as DNA and RNA, are polymers made up of nucleotides. Each nucleotide consists of a nitrogenous base, a pentose sugar, and a phosphate group.
Step-by-step explanation:
Nucleic acids, such as DNA and RNA, are polymers made up of nucleotides. Each nucleotide is composed of three components: a nitrogenous base, a pentose sugar, and a phosphate group. The nitrogenous bases in nucleotides include Adenine, Thymine, Guanine, Cytosine in DNA, and Uracil in RNA.