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(C) The process of synthesizing $RNA$ from a $DNA$ template is known as transcription.In a transcription unit,the process begins at the $promoter$ reg

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starts at promoter region and ends at terminator region.

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(C) The process of synthesizing $RNA$ from a $DNA$ template is known as transcription.In a transcription unit,the process begins at the $promoter$ region,which provides the binding site for $RNA$ polymerase.The process concludes at the $terminator$ region,where the $RNA$ polymerase detaches from the $DNA$ template.The enzyme primarily responsible for transcribing structural genes in eukaryotes is $RNA$ polymerase-$II$.

Column-$I$ (Enzyme)	Column-$II$ (Product)
$P$. $RNA$ polymerase-$I$	$I$. $rRNA$ $(18S, 28S, 5.8S)$
$Q$. $RNA$ polymerase-$II$	$II$. $tRNA, 5S rRNA, snRNAs$
$R$. $RNA$ polymerase-$III$	$III$. $hnRNA$

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$P$. $RNA$ polymerase-$I$ $I$. $rRNA$ $(18S, 28S, 5.8S)$
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