Question

When both lactose and glucose are available to E. coli, which part of the lac operon regulation assures that glucose will be metabolized first? When both lactose and glucose are available to E. coli, which part of the lac operon regulation assures that glucose will be metabolized first? Permease allows lactose to enter the cell when lactose enters the cell. The repressor binds to the operator in the absence of lactose. The repressor cannot bind to the operator in the presence of lactose. RNA polymerase transcribes the lac operon to make a single RNA molecule. CAP binds to cAMP and then to the promoter only in the presence of low glucose.

Answer 1

CAP binds to cAMP and then to the promoter only in the absence of low glucose

Step-by-step explanation:

When both lactose and glucose are available to E. coli, the part of the lac operon regulation that assures that glucose will be metabolized first is

CAP binds to cAMP and then to the promoter only in the absence of low glucose

Lactose is a type of sugar that is found naturally in milk produced by mammals and Glucose is a monosaccharide made mostly by plants during photosynthesis