How can only 25,000-30,000 protein-coding genes in humans produce the massive variety of proteins, cells, and tissues that exist in our bodies? The answer: alternative splicing.
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 ...
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