Home
Class 12
BIOLOGY
Regulatio of lac operon by repressor is ...

Regulatio of lac operon by repressor is referred to as -

A

Positive regulation

B

Negative regulation

C

Both 1 or 2

D

None

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

Assertion :- Regulation of lac opernon by repressor is referred to as positive resultion. Reason : Refulation of lac opernon can also be visualised as regulation of enzyme synthesis by its product.

Regulation of lac operon by repressor is called

Lac operon is

Repressor of lac-operon

The Lac Operon

In Lac-operon, repressor protein binds to

Lac operon is related with :

Read the following statements for lac operon: i. Each operon has its specific operator and specific repressor. ii. The y gene codes permease, which increases the permeability of the cell to beta-galactosides. iii. Regulation of lac operon can be visualized as regulation of enzyme synthesis by its substrate. Select the option with the correct statements.

Read the statements regarding the lac operon and choose the correct option. 1. An inducer regulates the switching on and off of lac operon. 2. Repressor protein dissociates from operator region and prevents RNA polymerase from transcribing the operon. 3. In the presence of lactose, the repressor is activated by interaction with lactose. 4. RNA polymerase has access to the promoter and transcription proceeds only when the repressor is inactivated.

Lac operon consists of