what is exone and intron?
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Introns are noncoding sections of an RNA transcript, or the DNA encoding it, that are spliced out before the RNA molecule is translated into a protein. The sections of DNA (or RNA) that code for proteins are called exons. ... Splicing produces a mature messenger RNA molecule that is then translated into a protein.
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⭐ Introns and exons are nucleotide sequences within a gene. Introns are removed by RNA splicing as RNA matures, meaning that they are not expressed in the final messenger RNA (mRNA) product, while exons go on to be covalently bonded to one another in order to create mature mRNA.
⭐ Exons are termed as nucleic acid coding sequences, which are present in mRNA. Introns are the non-coding sequences present in the DNA, which are removed by RNA splicing before translation. The intron sequences change frequently with time, whereas, the exon sequences are highly conserved.