<prompt> Which base is not found in DNA:AdenineGuanineCytosineUracil  <response>: Ans. D. UracilBoth DNA and RNA contain same type of purines namely Adenine A and Guanine G. The pyrimidine, in DNA are Thymine T and CytosineC. The pyrimidines in RNA are Uracil U and CytosineC. 