Answer:
Nitrogenous Base Purines and pyrimidines are the two categories of nitrogenous bases. Adenine and guanine are purines. Cytosine, thymine, and uracil are pyrimidines. ...
Pentose Sugar In DNA, the sugar is 2'-deoxyribose. In RNA, the sugar is ribose. ...
Phosphate Group A single phosphate group is PO 43-. The phosphorus atom is the central atom. ...
Explanation:
