Q.
In the following diagram of the lac operon, an operon for inducible enzymes identify components and enzymes -
X
Y
$E_{1}$
$E_2$
$E_3$
(a) repressor protein
Inducer (lactose)
$\beta$-Galactosidase
Permease
Transacetylase
(b) Inducer (lactose)
repressor protein
$\beta$-Galactosidase
Permease
Transacetylase
(c) Repressor protein
Inducer (lactose)
$\beta$-Galactosidase
Transacetylase
Permease
(d) Repressor protein
Inducer (lactose)
Permeaser
Transacetylase
$\beta$-Galactosidase
| X | Y | $E_{1}$ | $E_2$ | $E_3$ |
|---|---|---|---|---|
| (a) repressor protein | Inducer (lactose) | $\beta$-Galactosidase | Permease | Transacetylase |
| (b) Inducer (lactose) | repressor protein | $\beta$-Galactosidase | Permease | Transacetylase |
| (c) Repressor protein | Inducer (lactose) | $\beta$-Galactosidase | Transacetylase | Permease |
| (d) Repressor protein | Inducer (lactose) | Permeaser | Transacetylase | $\beta$-Galactosidase |
Molecular Basis of Inheritance
Solution: