NEET Botany Molecular Basis of Inheritance Questions Solved

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Why does hnRNA need to undergo splicing? Where does splicing occur in the cell?  

(i) hn RNA contains both exons and introns. Introns are non functional (non-coding regions) so it undergoes a process called splicing where the introns are removed and exons are joined by the enzyme ligase

(ii) Splicing occurs in the nucleus of the cell.

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