In DNA the four nitrogenous bases are; (G) Guanine, (C) cytosine, (T) thymine, (A) Adenine. In RNA, uracil is the other nitrogen base and replaces thymine.
The four nitrogenous bases in DNA are Adenine, Thymine, Cytosine and Guanine. Hope it helped you. Please mark as the brainliest answer if it helped you,
