Question

Select the incorrect statement out of the five given below about lac operon when Lactose ispresent in the medium. 
Gene – A gets transcribed into mRNA which produces β-galactoside permease

b) Inducer-Repressor complex is formed

c) Lactose inactivates repressor protein

d) RNA polymerase transcribe Z-gene, Y-gene and A-gene

e) Allolactose is the inducer of lac operon

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Answer 1

Answer:

The answer is no B

Explanation:

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Answer 2

Select the incorrect statement out of the five given below about lac operon when Lactose is present in the medium.

The  incorrect statement is  a ,

Gene – A gets transcribed into mRNA which produces β-galactoside permease.

correct statement is ,

Lac A gene gets transcribed to an mRNA which produces transacetylase.

operon is a genetic unit that produces the enzymes necessary for the digestion of lactose.

the lac operon allows for the effective digestion of lactose when glucose is not available through the activity of beta-galactosidase.

Gene regulation of the lac operon was the first genetic regulatory mechanism to be understood clearly, so it has become a foremost example of prokaryotic gene regulation.

It is often discussed in introductory molecular and cellular biology classes for this reason.