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Uracil


 

Uracil is one of the four RNA nucleobases, replacing thymine as found in DNA. Just like thymine, uracil can form a base pair with adenine via two hydrogen bonds, but it lacks the methyl group present in thymine. Uracil, in comparison to thymine, will more readily degenerate into cytosine. Uracil is only very rarely observed in DNA.

Related Topics:
RNA - Nucleobase - Thymine - DNA - Base pair - Adenine - Hydrogen bond - Methyl group - Cytosine

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