Teaching MPPSC Assistant Professor Mock Test Series 2025 Life Sciences Fundamental Processes Control of gene expression
Which one of the following statements for the lac operon in E. coli is INCORRECT?
1
The lac operon is controlled by both the Lac repressor and the activator protein, CAP.
2
The lac operon is highly expressed only when both lactose and glucose are absent.
3
The lac operon is highly expressed only when lactose is present and glucose is absent.
4
In the presence of lactose, the repressor cannot bind to the operator.