The lactose present in the growth medium of bacteria is transported to the cell by the action of

In the lactose operon of $Escherichia \text{ } coli$, what is the function of the promoter?

Few genes are found in all types of cells of differentiated multicellular organisms of higher classes. These are called:

Select the $correct$ match:

The functional complex that consists of a cluster of genes including structural genes,a promoter gene,an operator gene,and a regulator gene was discovered by:

The equivalent of a structural gene is