Which base is unique to RNA among the four standard bases?

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Study with the DAT Bootcamp Molecules and Fundamentals of Biology test. Use flashcards and multiple choice questions with hints and explanations to prepare effectively.

Multiple Choice

Which base is unique to RNA among the four standard bases?

RNA uses uracil instead of thymine, so uracil is the base unique to RNA among the four standard bases. Adenine and guanine are found in both RNA and DNA, while thymine is specific to DNA. Structurally, uracil is like thymine but lacks the 5‑methyl group, which is why thymine is used in DNA. In RNA, adenine pairs with uracil, mirroring the A–T pairing in DNA but with U instead of T.

Which base is unique to RNA among the four standard bases?

Study with the DAT Bootcamp Molecules and Fundamentals of Biology test. Use flashcards and multiple choice questions with hints and explanations to prepare effectively.

Which base is unique to RNA among the four standard bases?

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