If a bacterium is placed in an environment that contains both glucose and lactose,the regulation of the lac operon will allow which nutrient to be processed first?

Question

Quizplus · Accepted Answer

The regulation of the lac operon involves a negative feedback loop where the presence of glucose inhibits the expression of the lac operon. Thus, if glucose is present, the bacterium will process glucose first before lactose. Only when glucose is depleted from the environment will the bacterium turn to lactose as a nutrient source.

If a Bacterium Is Placed in an Environment That Contains