A. Purine
B. Pyrimidine
C. Protein
D. Nucleotide
B. Pyrimidine
C. Protein
D. Nucleotide
Answer:
D
Explanation:
Nitrogenous bases present in the DNA can be grouped into two categories: purines (Adenine (A) and Guanine (G)), and pyrimidine (Cytosine (C) and Thymine (T)). These nitrogenous bases are attached to C1' of deoxyribose through a glycosidic bond.
Copyright © 2021.