Lac operon. # lac operon.

Lac operon control the synthesis of lactose in our body . It is a group of linked genes which are transcribed together. Lac z gene codes for beta glactosidase which coverts the lactose into glucose.. ...lac y gene codes for permease and lac A gene codes for tranacetylase..
In presence of small amount of lactose in body , the repressor protein is not able to bind to operator thus polymerase can easily transcribe the structural gene and synthesis lactose..

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