(i) Name the enzyme that catalyses the trancription of hnRNA. (ii) Why does the hnRNA need to undergo changes? List the changes hnRNA undergoes and where in the cell such changes take place?

(i) Name the enzyme that catalyses the transcription of hnRNA. (ii) Why does the hnRNA need to undergo changes ? List the changes hnRNA undergoes and where in the cell such changes take place.

Why is hnRNA required to undergo splicing ?

Why hnRNA is required to undergo splicing?

Why does hnRNA to undergo splicing ? Where does splicing occur in the cell ?

(a) Describe the process of transcription in bacteria. (b) Explain the processing the hnRNA needs to undergo before becoming functional mRNA in eukaryotes.