How does the contractile vacuole in a single-celled organism function to maintain homeostasis? it pumps water into the cell. it pumps water out of the cell. it pumps solutes into the cell. it pumps solutes out of the cell.

i dont know it at allnow im just getting points at this pint

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.