Removal of introns and joining the exons in a | vedclass

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(D) : $mRNA$ is not made directly in a eukaryotic cell. It is transcribed as heterogeneous nuclear $RNA$ $(hnRNA)$ in the nucleus. $hnRNA$ contains in

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splicing

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(D) : $mRNA$ is not made directly in a eukaryotic cell. It is transcribed as heterogeneous nuclear $RNA$ $(hnRNA)$ in the nucleus. $hnRNA$ contains introns and exons. The introns are removed by $RNA$ splicing,leaving behind the exons,which contain the coding information. The exonic regions of $RNA$ are joined together to produce a single chain $RNA$ required for functioning as a translational template.

Removal of introns and joining the exons in a defined order in a transcription unit is called

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