Gene regulation governing lactose operon of E.coli that involves the lac $I$ gene product is
Gene regulation governing lactose operon of E.coli that involves the lac $I$ gene product is
- [NEET 2015]
- A
negative and repressible because repressorprotein prevents transcription
- B
feedback inhibition because excess of bgalactosidasecan switch off transcription
- C
positive and inducible because it can beinduced by lactose
- D
negative and inducible because repressorprotein prevents transcription.
Similar Questions
In lac operon system lac gene -$I $ codes for
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In the lactose operon of Escherichia coli, what is the function of promoter
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The lactose present in the growth medium of bacteria is transported to the cell by the action of
The lactose present in the growth medium of bacteria is transported to the cell by the action of
- [NEET 2024]
The genes are responsible for growth and differentiation in an organism through regulation of
The genes are responsible for growth and differentiation in an organism through regulation of
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.
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.