<span>Vector control and Drug therapy are two other methods for controlling viral diseases. </span>
Having genes with related function in one transcription unit is important because such transcription unit will have a single on and off switch. This switch can control expression of this group of genes in a more coordinated manner than when each gene has its own regulatory system. It ensures that these genes are transcribed together as a unit and therefore there functions are highly coordinated since they are related.
Explanation:
refers to carbinet secretary for food, rural affairs and <em>environment</em>
