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Question :Study the figure given below and answer the questions . How does the repressor molecule get inactivated?When does the transcription of lac mRNA stop?Name the enzyme transcribed by the gene 'z'.

Answer»

Solution : The Repressor MOLECULE gets inactivated in the presence of an INDUCER such as lactose or allolactose
When lactose is lacking or absent, the transcription of lac MRNA STOPS.
`beta`-GALACTOSIDASE


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