. _:vb50935339 . "Precursor mRNA (pre-mRNA) is a single strand of messenger ribonucleic acid (mRNA) that is synthesized from a DNA template throught transcription."@en . _:vb50935339 . "pre-mRNA"@en . _:vb50935339 . "SIO_010097" . . _:vb50935339 . _:vb50935339 . _:vb50935339 ":arcc045b782" . . .