The inducer for switching ‘on’ the lac operon in bacteria is:

Question

The inducer for switching ‘on’ the lac operon in bacteria is: (A) presence of lactose (B) number of bacteria (C) presence of structural genes in the bacteria (D) presence of sucrose

Tardigrade Admin · Accepted Answer

Lactose is the substrate for the enzyme beta galactosidase and it regulates switching on and off of the operon. It is termed as inducer.

Q. The inducer for switching ‘on’ the lac operon in bacteria is:

presence of lactose

number of bacteria

presence of structural genes in the bacteria

presence of sucrose

presence of $RN A$ polymerase

Lactose is the substrate for the enzyme beta galactosidase and it regulates switching on and off of the operon. It is termed as inducer.

Q. The inducer for switching ‘on’ the lac operon in bacteria is:

presence of lactose

number of bacteria

presence of structural genes in the bacteria

presence of sucrose

presence of RNA polymerase

Lactose is the substrate for the enzyme beta galactosidase and it regulates switching on and off of the operon. It is termed as inducer.

presence of $RN A$ polymerase