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In E.coli during lactose metabolism, rep...

In E.coli during lactose metabolism, repressor binds to :

A

Regulator gene

B

Operator gene

C

Structural gene

D

Promoter gene

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The correct Answer is:
B
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In Lac-operon, repressor protein binds to

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Select the two correct statements out of the four (1-4) given below about lac operon. 1. Glucose or galactose may bind with the repressor and inactivate it 2. In the absence of lactose the repressor binds with the operator region 3. The z-gene codes for permease 4. This was elucidated Francois Jacob and Jacque Monod The correct statements are :

In an E. coli culture lactose is used as food instead of glucose. If so, answer the following questions: (1) How do the bacteria respond to the above situation at genetic level? (2) If lactose is removed from the medium what will happen?

In E.coli replication starts at :

Give the names and functions of enzymes involved in lactose metabolism in E. Coli:

Jacob and Monod studied lactose metabolism in E. coli and proposed operon concept which is applicable for all :

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