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21 July, 02:13

Is it possible to get any transcription of the lac operon in the absence of lactose? Why or why not? Yes, because although the repressor protein keeps transcription at a very low basal level, some transcripts will be produced and translated. Yes, some transcription must take place in order to produce the permease to allow lactose to enter the cell. Yes, some transcription must take place in order to produce β-galactosidase to make allolactose. Yes, in spite of the presence of the repressor, a low level of basal transcription and translation must take place in order to produce the permease to allow lactose into the cell and in order to produce β‑galactosidase to make allolactose. No, without lactose the repressor protein will always prevent transcription.

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  1. 21 July, 02:32
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    The Correct answer is "No, without lactose, the repressor protein will continuously avoid record"

    Explanation:

    The reason behind this is because the E. coli of lac operon comprises genetic factor that elaborate in lactose digestion. It is articulated when the lactose is exist and the glucose is absent. Therefore, it is upon the absence of lactose, thus the lac repressor quandaries strongly to the worker and averts the record by RNA polymerase.
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