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RNA splicing
RNA splicing is a stage in gene transcription. Messenger RNA (mRNA), which transfers the code from DNA to proteins, is built in two stages.
In the first stage, each gene is translated into a pre-mRNA. Then the exons in pre-mRNAs are joined by splicing, which is done in the spliceosomes.[1]
This is needed because the gene is split into code sections called exons and non-coding sections called introns. The exons are brought together by splicing.
So, in molecular biology, splicing is a process where introns are removed and exons are joined. This makes the final mRNA. This messenger RNA is then used to produce a correct protein by translation.
- ↑ Some introns are self-splicing.
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