Which of the following $RNAs$ is not required for the synthesis of protein?
$\mathrm{mRNA}$
$tRNA$
$\mathrm{rRNA}$
$siRNA$
During elongation of polypeptide chain, sigma factor is
Give an account of post transcriptional modifications of a eukaryotic $m-RNA$ .
Full Forms : $SnRNA$
What function is performed by sigma factor and rho factor in the process of transcription
Depending upon the chemical nature of the template $(DNA$ or $RNA)$ and the nature of nucleic acids synthesised from it $(DNA$ or $RNA)$, list the types of nucleic acid polymerases.