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If lactose is not there in the medium then

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a
The rate of beta galactosidase formation will increase.
b
Beta galactosidase synthesis will not take place further.
c
Beta galactosidase synthesis will stop for few minutes and later rate with double the rate.
d
Beta galactosidase gene will be inactivated permanently.

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detailed solution

Correct option is B

If the bacteria do not have lactose around them to be utilised for energy source, they would no longer require the synthesis of the enzyme beta-galactosidase.


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