What happens if an $ATT$ sequence appears in the middle of the template strand of the $Lac\, y$ gene?

  • A
    Synthesis of $\beta$-galactosidase,permease,and transacetylase stops.
  • B
    Synthesis of transacetylase occurs,but permease synthesis stops.
  • C
    Synthesis of $\beta$-galactosidase occurs,but permease and transacetylase synthesis stops.
  • D
    Synthesis of $\beta$-galactosidase,permease,and transacetylase occurs.

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Select two statements out of the four given statements $(i-iv)$ with respect to the $lac$ operon.
$(i)$ Glucose or galactose binds with the repressor and inactivates it.
$(ii)$ In the absence of lactose,the repressor binds with the operator.
$(iii)$ The $Z$-gene codes for permease.
$(iv)$ It was elucidated by Francois Jacob and Jacques Monod.

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