NEET Biology Complete Course by Moniba Madam - Watch Full Playlist

Test Index

Class 12 NEET Biology Molecular Basis of Inheritance Questions Part 1

Question : 80 of 100

Marks: +1, -0

E

. coli, is induced by

(1994)

'I' gene
promoter gene
β -galactosidase
lactose

Validate

Solution:

Lac operon in

E

. coli is induced by β-galactosidase an enzyme meant for hydrolysis of lactose in glucose and galactose.

\mathrm{Lactose} \xrightarrow{\beta\text{-galactosidase}} \mathrm{Glucose} + \mathrm{Galactose}

These enzymes are called as inducible enzymes, because the synthesis of such enzymes are induced by adding substrate such as lactose by 10,000 times.

Go to Question:

Prev Question

Next Question