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Uracil is base present in RNA with the following structure. % of N in uracil is _____.
Correct Answer: 25
Uracil has molecular formula $$C_4H_4N_2O_2$$. MW = 48 + 4 + 28 + 32 = 112.
%N = $$\frac{28}{112} \times 100 = 25\%$$.
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