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The lactose present in the growth medium of bacteria is transported to the cell by the action of
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Permease
The $y$ gene lac operon codes for permease enzyme, which increase the permeability of cell to $\beta$-galactosides.
So, the lactose present in the growth medium of bacteria is transported into the cell by the action of permease.
So, the lactose present in the growth medium of bacteria is transported into the cell by the action of permease.
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