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Is lac operon an example of positive control mechanism or negative control mechanism or both?

Is lac operon an example of positive control mechanism or negative control mechanism or both?

Grade:12th pass

1 Answers

Dr.Adam Shaik
askIITians Faculty 387 Points
4 years ago
Lac operon is both types
According to CAP-CAMP pathway the Lac operon is positive control
And according the Repressor inhibition model the Lac operon behaves as an negative operon.
Positive control: If some thing (CAP/C-AMP) binds and becomes the factor for inhibition then it is negative control.
Negative Control: If some thing inhibitory (Repressor) compound is withdrawn from the operon then it is negative.
Go through the diagram belwo for more information.519-2414_a1323588168801.jpg

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