Which of the following switch off lac operon
Structural gene
Regulator gene
Operator gene
Promoter gene
In the lac operon, the structural genes are switched off when
Select the two correct statements out of the four $(i-iv)$ given below about lac operon.
$i.$ Glucose or galactose may bind with the repressor and inactivate it.
$ii.$ In the absence of lactose, the repressor binds with the operator region.
$iii.$ The z-gene codes for permease.
$iv.$ This was elucidated by Francois Jacob and Jacque Monod.
It is the expression of y gene in lac-operon
In the lac operon which one is responsible for code of repressor ?
In the lactose operon of Escherichia coli, what is the function of promoter