Home
Class 12
BIOLOGY
In E.coli, the lac operon gets switched ...

In E.coli, the lac operon gets switched on when :

A

Lactose is present and it binds to the repressor

B

Repressor binds to operator

C

RNA polymerase binds to the operator.

D

Lactose is absent

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

Can you think, for how long would the lac operon be expressed in the presence of lactose?

What is an inducible operon ? Name the genes that constitute an operon. Explain the lac operon of E.Coli with help of schematic representation.

What is inducer in the lac operon? How does it ensure the "switching on" or of genes?

Fill in the blanks: When current is switched 'on' in a room heater,it_______

An electric kettle has two coils. When one of these is switched on, the water in the kettle boils in 6 minutes. When the other coil is switched on, the water boils in 3 minutes. If the two coils are connected in series, find the time taken to boil the water in the kettle.

Explain how lac operon operates in E.coli in the absence of an inducer.

What is an operon? Describe the components of Lac operon in E. coil and mention how it switches on and off in the presence and absence of lactose respectively?