MCQ on lac Operon Concept

Which of the following acts as the inducer of lac operon is?

The sequence of the structural gene in lac operon is:

If the repressor of the lac operon binds to the operator, it will lead to:

If activator binds to the repressor, it will prevent

In the lac operon, under which of the following conditions will the lac genes be transcribed at high levels?

The cleavage of X-gal by β galactosidase enzyme produce the blue coloured 5-bromo-4-chloro-3-hydroxy indone and ________.

The gene product of LacA gene in Lac-operon is:

The gene product of LacZ gene in Lac-operon is:

The lac operon is a:

The gene product of LacY gene in Lac-operon is:

A mutation occurs in the lac repressor protein such that it can no longer bind to lactose. What effect will this mutation have on the expression of proteins of the lac operon in the presence of lactose?

Choose the correct option from the following regarding the lac operon in E. coli?

Which of the following genes is not a structural gene of the lac operon?

The lac operon

Pribnow box is the component of _______