Question

Is energy utilized by contractile vacuoles?

Answer 1

Contractile vacuoles:

1. A contractile vacuole is a regulatory organelle that regulates the quantity of water within a cell.
2. It is present in freshwater protozoans and lower metazoans.
3. It also excretes nitrogenous waste.
4. It is involved in osmoregulation.

Contractile vacuole and energy utilization:

1. Contractile vacuoles are known to use energy in the removal of excess water from the cell.
2. These prevent cells from swelling and thus regulate the water content of the cell.