In the lac operon, the structural genes are switched off when [Kerala – McqOptions

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1.	In the lac operon, the structural genes are switched off when [Kerala CET 2005]
A.	Repressor binds to operator
B.	Repressor binds to promotor
C.	Repressor binds to regular
D.	Repressor binds to inducer
E.	Repressor binds to allolactose
Answer» B. Repressor binds to promotor

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