Which of the following is used as a substrate by $\text{RNA}$ polymerase and polymerises in a template-dependent fashion?

The enzyme involved in transcription is . . . . . . .

During transcription,the $DNA$ strand with $3' \rightarrow 5'$ polarity of the structural gene always acts as a template because

Which of the following are the post-transcriptional events in an eukaryotic cell?
$A.$ Transport of pre-mRNA to cytoplasm prior to splicing.
$B.$ Removal of introns and joining of exons.
$C.$ Addition of methyl group at $5$' end of hnRNA.
$D.$ Addition of adenine residues at $3$' end of hnRNA.
$E.$ Base pairing of two complementary RNAs.
Choose the correct answer from the options given below:

If the sequence of nitrogenous bases on one strand of $DNA$ is $ATCTG$,what will be the sequence on the complementary $RNA$ strand?

The process of synthesis of $m-RNA$ from $DNA$ is called ......