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
E.coli cells with a mutated $Z$ gene of the lac operon cannot grow in medium containing only lactose as the source energy because
E.coli cells with a mutated $Z$ gene of the lac operon cannot grow in medium containing only lactose as the source energy because
- [AIPMT 2005]
Operon is a
Operon is a
In lac operon, $z$ gene codes for:
In lac operon, $z$ gene codes for:
- [NEET 2022]
In Operon concept, the regulator gene regulates chemical reactions in the cell by
In Operon concept, the regulator gene regulates chemical reactions in the cell by
- [AIIMS 1985]
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?