In some genes, not all of the DNA sequence is used to make protein. Introns are noncoding sections of an RNA transcript, or the DNA encoding it, that are spliced out before the RNA molecule is ...
Interferon alfa-2b, recombinant; 10 million, 18 million, or 50 million IU per vial; pwd for inj after reconstitution/dilution; preservative-free; contains albumin.
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.