In the processing of hnRNA in eukaryotic cell | vedclass

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Question

(C) In eukaryotic cells,the primary transcript $(hnRNA)$ undergoes three major post-transcriptional modifications to become functional $mRNA$:$1$. $Ca

Vedclass · Accepted Answer

Capping,Splicing,Tailing

Vedclass · Answer

(C) In eukaryotic cells,the primary transcript $(hnRNA)$ undergoes three major post-transcriptional modifications to become functional $mRNA$:$1$. $Capping$: $A$ methyl guanosine triphosphate $(m^7G)$ is added to the $5'$-end of the $hnRNA$.$2$. $Splicing$: The non-coding introns are removed,and the coding exons are joined together in a defined order.$3$. $Tailing$ $(Polyadenylation)$: Poly-$A$ tails (approx. $200-300$ adenine residues) are added to the $3'$-end of the transcript.Therefore,the correct sequence is $Capping$,$Splicing$,$Tailing$.

In the processing of $hnRNA$ in eukaryotic cells,the primary transcripts are processed in the following sequence.

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