Answer: Nucleotide
Step-by-step explanation:
A nucleotide is a monomer which is made of pentose sugar which can be either ribose or deoxyribose.
It also consists of nitrogenous bases such as adenine, guanine, cytosine thiamine.
The whole model is supported by the backbone of phosphate which provides support to the structure.
Example : Deoxyribonucleic acid and nucleic acid.