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Answer : 4 All the above Explanation : Answer: D) All the above Explanation: Nitrogenous base: A molecule that contains nitrogen and has the chemical properties of a base. DNA and RNA :: The nitrogenous bases in DNA areAdenine (A),Guanine (G),Thymine (T), andCytosine (C). Whereas the nitrogenous bases in RNA are the same, with one exception:Adenine (A),Guanine (G),Uracil (U), andCytosine (C).

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