Answer:
Nucleic acid
Step-by-step explanation:
Nucleotides are the basic unit of Nucleic acid
A nucleotide consists of three groups –
a) 5-carbon sugar (ribose or deoxyribose)
b) a nitrogen-rich base - There are four nitrogen rich base namely cytosine (C), guanine (G), adenine (A), thymine (T)
c) and a phosphate group
The nucleotides are the repeating units of a nucleic acid and therefore a nucleic acid can be considered as polymer while a nucleotide becomes its monomer unit.