In capping,.......... is added to the $5'$ end of $hnRNA$.

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:

The central dogma of protein synthesis is

In a transcription unit,the promoter is located at:

Which of the following statements are correctly related to the given diagram of transcription?
$(a)$ $A$ is the Coding strand
$(b)$ $A$ is the Non-coding strand
$(c)$ $B$ is the Antisense strand
$(d)$ $B$ is the Sense strand

Describe Transcription.