A nitrogenous base found in DNA and RNA that pairs with thymine in DNA and with uracil in RNA is

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Multiple Choice

A nitrogenous base found in DNA and RNA that pairs with thymine in DNA and with uracil in RNA is

Explanation:
Base pairing is determined by hydrogen bonding patterns between specific partners. Adenine forms two hydrogen bonds with thymine in DNA and with uracil in RNA, making it the partner that matches both contexts. Guanine pairs with cytosine via three hydrogen bonds, while thymine is used only in DNA and pairs with adenine, and uracil is used in RNA and pairs with adenine. Since the base that pairs with thymine in DNA and with uracil in RNA is adenine, that is the correct choice.

Base pairing is determined by hydrogen bonding patterns between specific partners. Adenine forms two hydrogen bonds with thymine in DNA and with uracil in RNA, making it the partner that matches both contexts. Guanine pairs with cytosine via three hydrogen bonds, while thymine is used only in DNA and pairs with adenine, and uracil is used in RNA and pairs with adenine. Since the base that pairs with thymine in DNA and with uracil in RNA is adenine, that is the correct choice.

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