Describe the regulation of lac-operon in E.coli.

(a) Absence of lactose in the culture medium affects the expression of a lac-operon in E.coli. Why and how ? Explain. (b) Write any two ways in which the gene expression is regulated in eukaryotes.

Name the inducer of lac operon in E-coli.

Describe the structure of Lac operon in brief.

Give an account of the lac operon in E.coli.

Describe the lac-operon.

Describe the sturcture of Lac operon in brief.

Given above is the schematic representation of lac operon of E.coli. Explain the functioning of this operon when lactose is provided in the growth medium of the bacteria.

Given above is the schematic representation of lac operon of E.coli. Explain the functioning of this operon when lactose is provided in the growth medium of the bacteria.

Gene regulation governing lactose operon of E.coli that involves the lac 1 gene product is