Question

Select the correct answer from each drop-down menu.

The lac operon in E.coli regulates genes that code for enzymes required for breakdown of lactose. The lac operon is operon that is activated in the presence of .

Answer 1

The answer is "Promoter"

Explanation: I just did the test

Answer 2

Lactose

Step-by-step 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.