Question

In the regulatory system that controls the lac operon, which molecule directly reflects the level of glucose in the cell? a. Lac repressor b. Cap c. Lactose d. cAmp

Answer 1

d: cAMP

Step-by-step explanation:

When both glucose and lactose are present in cell, the cell used glucose as a primary energy source rather than lactose. Thus, the lac operon is remained turned off. Lac operon contains gene involved.