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(C) The $lac$ operon is an inducible operon that regulates the catabolism of lactose in $E. coli$.$1$. It is under both negative control (by the repre

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Shows feedback repression

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(C) The $lac$ operon is an inducible operon that regulates the catabolism of lactose in $E. coli$.$1$. It is under both negative control (by the repressor protein) and positive control (by the $CAP-cAMP$ complex).$2$. It controls a catabolic pathway,as it breaks down lactose into glucose and galactose.$3$. It was discovered by $François$ $Jacob$ and $Jacques$ $Monod$ in $1961$.$4$. The $lac$ operon does not show feedback repression; rather,it shows substrate induction (the presence of lactose induces the expression of the operon). Therefore,option $C$ is incorrect.

Mark the incorrect option with respect to the $lac$ operon.

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