Which enzyme / enzymes are responsible for transformation of lactose to galactos in the E.coli culture medium.
Which enzyme / enzymes are responsible for transformation of lactose to galactos in the E.coli culture medium.
- A
$B$ -galactosidase
- B
Permease
- C
Transacetylase
- D
All above
Similar Questions
Repressor protein is formed from
Repressor protein is formed from
In the medium where $E$. coli was growing, lactose was added, which induced the lac operon. Then, why does lac operon shut down some time after addition of lactose in the medium?
In the medium where $E$. coli was growing, lactose was added, which induced the lac operon. Then, why does lac operon shut down some time after addition of lactose in the medium?
$A$ : Single $DNA$ dependent $RNA$ polymerase catalyses transcription of all types of $RNA$ in all except bacteria.
$R$ : Structural genes in bacteria are monocistronic.
$A$ : Single $DNA$ dependent $RNA$ polymerase catalyses transcription of all types of $RNA$ in all except bacteria.
$R$ : Structural genes in bacteria are monocistronic.
In lac operon, $z$ gene codes for:
In lac operon, $z$ gene codes for:
- [NEET 2022]
It is the expression of y gene in lac-operon
It is the expression of y gene in lac-operon