Answers

  • Brainly User
2015-09-26T23:15:02+05:30
(i) In splicing the introns are removed and exons are joined in a defined order.
hnRNA undergoes additional processing called as capping and tailing.
(ii) In capping an unusual nucleotide (methyl guanosine triphosphate) is added to the 5'-end of hnRNA.
(iii) In tailing, adenylate residues (200-300) are added at 3'-end in a template independent manner. 
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