RNA (ribonucleic acid) is a nucleic acid polymer where the carbohydrate is ribose. RNA is generally single-stranded, as DNA is transcribed by RNA polymerases into mRNA (messenger RNA), which is ...

RNA splicing is a modification of the nascent pre-messenger RNA (pre-mRNA) transcript in which introns are removed and exons are joined prior to translation. For many eukaryotic introns, splicing ...