Question

What were contractile vacuoles formerly known as?

Answer 1

Contractile vacuole

1. A contractile vacuole (CV) is an osmoregulating subcellular structure (organelle).
2. Amoeba and unicellular algae are the most common hosts.
3. Previously, it was known as the pulsatile or pulsing vacuole.
4. A contractile vacuole does exactly what its name suggests, it expands and contracts.
5. It helps the cell keep its shape and internal pressure.