Which of the following is the necessary condition for the entry of lactose into the cell?
A. High level expression of lac operon
B. Low level expression of lac operon
C. Absence of lac operon in the cell
D. Absence of proteins in the cell
Answer:B
Which of the following is the necessary condition for the entry of lactose into the cell?
A. High level expression of lac operon B. Low level expression of lac operon C. Absence of lac operon in the cell D. Absence of proteins in the cell