Which base is found in RNA but not in DNA?
Uracil is found in RNA, whereas DNA contains thymine instead of uracil.
Ref: NCERT Class 12 Biology Chapter 5: Molecular Basis of Inheritance Regulation of Gene Expression - Lac Operon
#nitrogenous base
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Which nitrogenous base is present in DNA but absent in RNA?
Thymine is present in DNA, whereas uracil replaces it in RNA.
Ref: NCERT Class 12 Biology Chapter 5: Molecular Basis of Inheritance DNA Structure Double Helix and Packaging - Nucleosome
