Final answer:
Vacuoles in plant cells store substances, help maintain turgor pressure, and regulate the cell's internal environment.
Explanation:
Vacuoles are membrane-bound organelles found in plant cells that store various substances such as water, nutrients, and wastes. They help maintain turgor pressure to support the cell's structure and assist in nutrient storage and waste disposal. Additionally, vacuoles play a role in regulating the cell's internal environment and cellular processes.
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