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Question : Assertion. When tryptophan is present the repressor is unable to bind to the operator. Reason. Transcription of structural genes occurs.

Answer»

If both ASSERTION and Reason are true and the Reason is a correct EXPLANATION of the Assertion .
If both Assertion and Reason are true but Reason is not a correct EXPLANATIONS of the Assertion
If Assertion is true but the Reason is FALSE .
If both Assertion and Reason are false.

Answer :D


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