What does '$2$' represent in the given figure?

  • A
    Permease
  • B
    Operator
  • C
    Transacetylase
  • D
    $\beta$-galactosidase

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The equivalent of a structural gene is

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In the $lac$ operon,which gene is responsible for coding the repressor protein?

$A$: Operator gene is functional when it is not blocked by repressor.
$R$: Regulator gene produces active protein only which acts on operon system in $E. coli$.

The lactose operon produces which enzymes?

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