Nucleic acids are biological polymers that are comprised of nucleotide monomers covalently bonded together. The picture above shows two monomer units of a nucleic acid chain What are the components that make up each nucleotide
monomer?

A. Glucose, a phosphate group, and an amino acid.

B. Glucose, a phosphate group, and a nitrogenous base.

C. A five carbon sugar, a phosphate group, and a nitrogenous base.