Respuesta :

Both deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) are made up of nucleotides which consist of three parts:

Nitrogenous Base. Purines and pyrimidines are the two categories of nitrogenous bases. ...

Pentose Sugar. In DNA, the sugar is 2'-deoxyribose. ...

Phosphate Group. A single phosphate group is PO43-.