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Why hnRNA is required to undergo splicin...

Why hnRNA is required to undergo splicing?

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In eukaryotes, the primary transcripts contain both the exons and the introns. The hn RNA, therefore, contains transcripts both from exons and introns and is non-functional. Hence, it undergoes a process of splicing where the introns are removed and exons are joined in a definite order to make it functional.
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