The lactose present in the growth medium of bacteria is transported to the cell by the action of
- AAcetylase
- BPermease
- CPolymerase
- DBeta-galactosidase
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Similar Questions
What is the first level of regulation of gene expression in eukaryotes?
Medium
View SolutionStatement-$I$: Lac operator is present only in lac operon and it interacts specifically with lac-repressor only.
Statement-$II$: Each operon has its specific operator and specific repressor.
Statement-$II$: Each operon has its specific operator and specific repressor.
Medium
View SolutionWhich of the following is a regulatory gene?
Medium
View SolutionGiven below is the representation of the $lac$ operon of $E. coli$. Identify $I$ and $II$ from the options given below.
$I$
Promoter
$II$
$Z$
$Y$
$A$
| $I$ | Promoter | $II$ | $Z$ | $Y$ | $A$ |
Match List-$I$ with List-$II$.
List-$I$ List-$II$ $A$. Gene $a$ $I$. $\beta$-galactosidase $B$. Gene $y$ $II$. Transacetylase $C$. Gene $i$ $III$. Permease $D$. Gene $z$ $IV$. Repressor protein
Choose the correct answer from the options given below:
| List-$I$ | List-$II$ |
|---|---|
| $A$. Gene $a$ | $I$. $\beta$-galactosidase |
| $B$. Gene $y$ | $II$. Transacetylase |
| $C$. Gene $i$ | $III$. Permease |
| $D$. Gene $z$ | $IV$. Repressor protein |
Choose the correct answer from the options given below:
MediumNEET 2023
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