The lac operon consists of
four regulatory genes only
one regulatory gene and three structural genes
two regulatory genes and two structural genes
three regulatory genes and three structural genes.
In lac operon, $z$ gene codes for:
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.
Repressor protein is formed from
Definitions/Explanation : Regulatorgene & Promotergene