Question

The lactose present in the growth medium of bacteria is transported to the cell by the action of ______.

Options

• Permease

• Polymerase

• Beta-galactosidase

• Acetylase

Answer 1

The lactose present in the growth medium of bacteria is transported to the cell by the action of permease.

Explanation:

One kind of transport protein that helps lactose pass through the bacterial cell membrane is called permease. In order for bacteria to use lactose as a carbon source for growth and metabolism, it is involved in the active transport of lactose into the cell.