Which form of RNA is most heterogeneous? | vedclass

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(D) The correct answer is $D$. In eukaryotic cells,the process of transcription produces a precursor $RNA$ molecule that is significantly longer than

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$hnRNA$

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(D) The correct answer is $D$. In eukaryotic cells,the process of transcription produces a precursor $RNA$ molecule that is significantly longer than the mature $mRNA$. This precursor is known as heterogeneous nuclear $RNA$ $(hnRNA)$. It is considered the most heterogeneous because it contains both exons (coding sequences) and introns (non-coding sequences) and varies greatly in length and composition before undergoing post-transcriptional processing (splicing,capping,and tailing) to become functional $mRNA$.

Which form of $RNA$ is most heterogeneous?

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