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. Next, the snRNPs U2 and U4/U6 appear to ...

[Pete Prodoehl] has a solution, in the form of a well-executed splicing jig that’s sure to leave a join which will glide through your printer. The trick lies in performing the join in a space ...