Human gene expression is regulated when steroid molecules bind to:

$Y$ gene in $lac$ operon is responsible for .....

The accessibility of promoter regions of bacterial $DNA$ in many cases is regulated by the interaction of proteins with sequences termed:

During lactose metabolism in $E. coli$,the repressor protein binds to the ...........

Operon is a

Wild-type $E. coli$ cells are grown in a normal medium containing glucose. They are then transferred to a medium containing only lactose as the sugar source. Which of the following changes will occur?