Which of the following RNA is non-functional? | vedclass

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(B) In eukaryotic cells,the primary transcript produced by $RNA$ polymerase $II$ is known as $hnRNA$ (heterogeneous nuclear $RNA$).This $hnRNA$ contai

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$hnRNA$

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(B) In eukaryotic cells,the primary transcript produced by $RNA$ polymerase $II$ is known as $hnRNA$ (heterogeneous nuclear $RNA$).This $hnRNA$ contains both coding sequences (exons) and non-coding sequences (introns).Because it contains non-coding introns and has not yet undergone processing (splicing,capping,and tailing),it is considered non-functional or inactive in terms of protein synthesis.After post-transcriptional modifications,it is converted into mature $mRNA$,which is functional.

Which of the following $RNA$ is non-functional?

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