Question

Explain how the operator switch is turned on for lactose synthesis in



e.Coli

Answer 1

Explanation:

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Answer 2

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The lac operon consists of series of three genes in bacteria that produce the necessary enzymes to metabolise lactose and it also contains promotar and terminator regions. The three genes are lacZ, lacY and lacA. LacY produces an enzyme for transporting lactose through the cell membrane. LacZ enzyme required to separate lactose into galactose and glucose. LacA produces a molecule which metabolize galactose.

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