Which one of the following bases is not present in DNA ?
Quinoline
Adenine
Cytosine
Thymine
As discussed in
Deoxyribonucleic acid (DNA) -
Made up of nucleotides consisting of pentose sugar which is deoxyribose, Phosphoric acid and bases (Adenine , Guanine , cytosine and thymine)
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DNA has adenine, guanine, cytosine and thymine