Shown is the splicing pathway. The pre-messenger RNA (pre-mRNA) has exons (blue) and introns (pink). The spliceosome (not shown) was known to catalyze two chemical reactions (black arrows) in a ...
There are probably around 20,000 genes in the human genome that code for protein, and cells have to transcribe DNA sequences into RNA, which is then processed before it is translated into proteins by ...
DNA is the genetic code that provides the biological instructions for every living species, but not every bit of DNA helps the species survive. Some pieces of DNA are more like parasites, along for ...
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