Question

The lac operon is a collection of genes that work together to break down lactose by producing the enzyme ___.

Question 12 options:

maltase


lactase


glucose


galactase

Answer 1

lac Operon of E.coil consist of three structural genes - lacZ,lac Y and lac A which are involved in lactose metabolism.These genes are regulated by a single promoter.

Step-by-step explanation:

• lac operon is also called a inducible operon that is activated in the presence of lactose.

• The lac operon is responsible for the production of lactose-utilizing enzymes.