Which of the following essential nitrogenous bases belongs strictly to the pyrimidine structural cla — Biomolecules Chemistry Question
Question
Which of the following essential nitrogenous bases belongs strictly to the pyrimidine structural class and is found natively exclusively in RNA strands?
Answer: D
💡 Solution & Explanation
Uracil ($U$) is a single-ringed pyrimidine base strictly utilized in RNA. DNA uses the pyrimidine Thymine ($T$) instead. Adenine and Guanine are double-ringed purines found in both.
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