What is the primary function of a vacuole in eukaryotic cells?

The primary function of a vacuole in eukaryotic cells is to act as a storage center, which can include the storage of water, ions, nutrients, and waste products. While vacuoles are involved in maintaining internal homeostasis and can have roles in plant cell turgor pressure, their storage capability is key, especially in plant cells where large central vacuoles are prominent. These vacuoles can store specific substances, such as pigments or toxins, and contribute to cellular processes by helping regulate the cell's internal environment.

In some contexts, particularly in plant cells, vacuoles can take on functions that might generally be associated with lysosomes, such as the degradation of macromolecules, although lysosomes are specialized for this purpose in animal cells. By serving as storage compartments and having the ability to sequester various substances, vacuoles play a crucial role in the overall functioning and health of eukaryotic cells.