Spliceosomes are not found in cells of

Define a cistron. Giving examples,differentiate between monocistronic and polycistronic transcription units.

Give scientific reasons: Transcription and translation could be coupled in prokaryotic cell but not in eukaryotic cell.

What is the effect of the association of various factors with $RNA$ polymerase?

The determination of the template and coding strands is defined by the presence of which of the following?

During transcription,the holoenzyme $RNA$ polymerase binds to the $DNA$ strand. It forms a structure resembling a saddle at a specific site on the $DNA$. This sequence is called .....