In the $lac$ operon model,lactose molecules function as:

  • A
    Inducers which bind with operator gene
  • B
    Repressors which bind with operator gene
  • C
    Inducers which bind with repressor protein
  • D
    Corepressors which bind with repressor protein

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The point $(3,2)$ undergoes the following three transformations in the order given:
$(i)$ Reflection about the line $y=x$.
(ii) Translation by the distance $1$ unit in the positive direction of $x$-axis.
(iii) Rotation by an angle $\frac{\pi}{4}$ about the origin in the anti-clockwise direction.
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