Which of the following IS NOT a post transcriptional modification of RNA?
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Glycosylation
Post transcriptional processing (Modification) of m RNA [processing mainly occurs in nucleoplasm]
Endonuclease cleavagePoly-A-Tailing at 3’end à The newly formed 3’ terminus is polyadenylated in the nucleoplasm.The Poly A. tail appear to protect the 3’ end of mRNA from 3’ — 5’ exonuclease attack.Capping at 5’-end - Eukaryotic mRNAs are all ‘capped’ at the 5’terminus by 7-methyl guanosine
Post transcriptional processing (Modification) of m RNA [processing mainly occurs in nucleoplasm]
Endonuclease cleavagePoly-A-Tailing at 3’end à The newly formed 3’ terminus is polyadenylated in the nucleoplasm.The Poly A. tail appear to protect the 3’ end of mRNA from 3’ — 5’ exonuclease attack.Capping at 5’-end - Eukaryotic mRNAs are all ‘capped’ at the 5’terminus by 7-methyl guanosine
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