The Obvious Advantage of the Lactose Operon Is That It

Multiple Choice

The obvious advantage of the lactose operon is that it

A) ​allows bacteria to survive in the presence of lactose.
B) ​cause the DNA regions that contain the operator to twist or loop.
C) ​enables bacteria to make lactose only in the presence of the proper enzymes.
D) ​negates the need for milk in the diet of adult humans.
E) ​enables glucose to substitute for lactose in the diet of lactose intolerant persons.