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Where is uracil found?

RNA Uracil is a nucleotide, much like adenine, guanine, thymine, and cytosine, which are the building blocks of DNA, except uracil replaces thymine in RNA. So uracil is the nucleotide that is found almost exclusively in RNA. Lawrence C.

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Why is uracil used instead of thymine?

Uracil is more economical to produce than thymine. This may explain its use in RNA. However, in DNA, uracil can be easily produced by chemically degrading cytosine. This makes it easier to detect and repair such incipient mutations.

Why is uracil used instead of thymine?

Uracil is energetically less expensive to produce than thymine, which may account for its use in RNA. In DNA, however, uracil is readily produced by chemical degradation of cytosine, so having thymine as the normal base makes detection and repair of such incipient mutations more efficient.

By Halland

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