Question

Why is hnRNA required to undergo splicing

Answer 1

hnRNA is required to undergo splicing because of the presence of introns (the non-coding sequences) in it. These need to be removed and the exons (the coding sequences) have to be joined in a specific sequence for translation to take place.

Answer 2

The hnRNA required to undergo splicing

Explanation:

• The heterogeneous nuclear RNA (hnRNA) is required to undergo splicing because the primary transcript contains both exons and introns.
• Introns are non-functional, hence, they are removed by splicing. The    hn + RNA formed as a result of transcription in Eukaryotas is non functional because it has non coding intervening sequences called introns.
• Therefore, it undergoes the process of splicing a process whereby, the introns are removed and the exons-the coding sequence are joined to form the functional m RNA.

Learn more about splicing

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