Resection of a bacterial chromosome in which genes for the enzymes of of a particular metabolic pathway are clusteredtogether in a functional complex under coordinate control is called operon activator promotor repressor operator

The activator (V protein) that is present in the bacterial cell is normally phosphorylated, but only binds to the A site in the operon when it is not phosphorylated. What operon-independent mechanism can regulate the binding of (and also ultimately regulates the removal of) protein V to the A site? Describe this binding/removal mechanism in detail – useappropriateterminologythatwasdiscussedinlecture. Aspartofyouransweraboutthisactivatorproteinbindingto (and then detaching from) the A site of the operon, be sure to address what are the results of this type of control in terms of function of the operon.

external lactose cell membrane RNA polymerase promoter lactose permease B-galactosidase allolactose lac repressor mRNA operator lacZ lacY lacA lac Operon The role of lac permease is to: Inhibit beta-galactosidase Facilitate entrance of lactose in to the bacterial cell Turn off the lac operon Manufacture mRNA

An E. coli cell as the following genotype for the lac operon system:  I- OC Z+ / F’ I+.  Which term best describes the regulation of expression of the beta galactosidase in this cell? Group of answer choices Inducible None of these Activated Always repressed Constitutive