The genes in the Lac operon codes for?

There are 3 structural genes in in lac operon. . Namely Lac Z - codes for beta galactosidase (breaks lactose into galactose and glucose) Lac Y - coding for beta galactoside permease ( pumps lactose into the cell) Lac A - coding for transactylase (function is acetylation of lactose and so tht it can act as a messenger hope its not required for you in detail) and a gene called Lac I - coding for repressor protein (switching off the expression of stuctural genes) refer Genetic for gardner of Molecular biology by weaver if you are dealing in detail .. Or the info I have provided is sufficient..(and confusion or doubts mail me at vegi.

Chaitanya@gmial. Com).

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