Home
Class 12
BIOLOGY
The lac operon is turned on when all lac...

The lac operon is turned on when all lactose molecules bind to

A

Operator gene

B

Repressor protein

C

Promotor gene

D

m-RNA

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MINERAL NUTRITION

    MBD PUBLICATION|Exercise Question Bank|75 Videos

  • MORPHOLOGY OF FLOWERING PLANTS

    MBD PUBLICATION|Exercise QUESTION BANK|186 Videos

Similar Questions

Explore conceptually related problems

The lac operon consists of :

A sequential expression of a set of human genes occurs when a steroid molecule bind to the

Read the given statements. (i) Fructose is the sweetest sugar. (ii) Glycine is the simplest amino acid. (iii) Lactose is a disaccharide composed of one molecule each of glucose and galactose. (iv) Cellulose is an unbranched chain of glucose molecules linked by beta-1 , 4-glycosidic bond. Which of the given statements are correct ?

What is the condition when all collisions between the molecules can be effective collision ?

E. coli cells with a mutated Z gene of the lac operon cannot grow in medium containing only lactose as the source of energy because :

In Lac operon , i gene codes for :

What would happen if the inducer of the lac operon is absent in the medium where E.coli is being cultured?