This step occurs by transesterification; in this case, an OH group at the ... mechanisms of RNA splicing, splicing itself must be quite ancient. Proponents of the "intron-early" theory suggest ...
What's the difference between mRNA and pre-mRNA? It's all about splicing of introns. See how one RNA sequence can exist in nearly 40,000 different forms.
Two molecular control factors play a decisive role in what is known as splicing, the cutting and assembly of mature messenger ...
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