Which of the following bases is not common to DNA and RNA?
Which of the following bases is not common to DNA and RNA?
Adenine
Guanine
Thymine
Cytosine
Solution
Pyrimidines include Thymine, Cytosine, and Uracil bases which are denoted by letters T, C, and $U$ respectively. Thymine is present in DNA but absent in RNA, while Uracil is present in RNA but absent in DNA. Cytosine is present in both DNA and RNA.
,