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a nucleotide base found in only RNA Learn with flashcards, games, and more — for free.
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6 ημέρες πριν · Uracil (U) is one of the four nucleotide bases in RNA, with the other three being adenine (A), cytosine (C) and guanine (G). In RNA, uracil pairs with adenine. In a DNA molecule, the nucleotide thymine (T) is used in place of uracil.
Not to be confused with uridine. Uracil (/ ˈjʊərəsɪl /) (symbol U or Ura) is one of the four nucleotide bases in the nucleic acid RNA. The others are adenine (A), cytosine (C), and guanine (G). In RNA, uracil binds to adenine via two hydrogen bonds. In DNA, the uracil nucleobase is replaced by thymine (T). Uracil is a demethylated form of thymine.
31 Ιουλ 2023 · Uracil is an unsaturated, planar compound with the ability to absorb light. It has the properties of a weak acid and its ionization process is not fully understood. When exposed to oxidative degradation in the presence of hydrogen peroxide and ferrous ions, uracil yields urea and maleic acid.
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