Question
Biology Question on Structure of DNA and RNA
Nitrogenous bases present in DNA
A
adenine, guanine, cytosine, thymine
B
adenine, guanine, cytosine, uracil
C
adenine, thymine, uracil
D
guanine, uracil
Answer
adenine, guanine, cytosine, thymine
Explanation
Solution
In DNA, nitrogen bases are nitrogen containing organic ring compounds and are of two types; purines are two, adenine and guanine, while pyrimidines are cytosine and thymine.