Respuesta :
Answer:
Lactose
Explanation:
Lac operon is a type of bacterial operon, characterized a cluster of genes regulated by a single promoter. It is usually contains an operator, promoter, a terminator, and three structural genes (lacA, lacY, and lacZ), which are responsible for lactose metabolism.
The lac operon is an inducible operon because it becomes activated in the presence of lactose.
Answer:
The answer is "Promoter"
Explanation: I just did the test