Respuesta :
Some sequences known as intervening sequences, or introns, are removed or "spliced out" as part of this processing process, which is referred to as RNA splicing. Thus, the leftover sequences, known as exons, are what make up the final mRNA. Splicing is what connects these exons to one another.
Splicing is the method of chopping out introns and joining exons back together. Even though the pre-mRNA is still in the nucleus, introns are cut out and broken down. Introns are cut out and exons are rejoined with the accuracy and precision of a single nucleotide thanks to a sequence-specific mechanism called splicing. Splicing is a type of editing that eliminates the introns and only keeps the exons, which are the yellow sections responsible for protein synthesis. At the intron/exon, helper proteins are assembled to start the process of splicing RNA.
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