Contractile Vacuoles are _______

Question

Contractile vacuoles are _______.
A) used to expel excess water from cells
B) found in bacterial cells
C) important to certain organisms in hypertonic environments
D) protein carriers in cell membranes
E) used to bring solutes into a cell

Accepted Answer

Contractile vacuoles are specialized organelles in some single-celled organisms, such as protozoa and certain algae, used to expel excess water from the cell. This mechanism helps to regulate the cell's water balance, particularly in hypotonic environments where the tendency is for water to flow into the cell.