Which structure is responsible for the synthesis of $m-RNA$?

If the sequence of nitrogenous bases in $DNA$ is $ATTCGATG$,what will be the sequence of bases in the $mRNA$ transcript?

Identification and binding of $RNA$ polymerase to the promoter sequence is a function of

Choose the correct option for $hnRNA$.

Which process is represented in the given figure?

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: