$Y$ gene in $lac$ operon is responsible for .....

  • A
    Codes for $\beta$-galactosidase
  • B
    Primarily responsible for hydrolysis of the disaccharide
  • C
    Encodes for transacetylase
  • D
    Codes for permease

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Similar Questions

Select the correct option for $\beta$-galactosidase.

Which of the following is true for a repressible operon?

Difficult
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At what level does gene expression not occur?

$E. coli$ cells with a mutated $Z$ gene of the $lac$ operon cannot grow in a medium containing only lactose as the source of energy because:

Repressor protein is formed from

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