1.11 Vacuoles

Vacuoles are used for compartmentalising cellular contents and for controlling some waste products. They are also important for maintaining cell turgor and for cell expansion. The tonoplast is the membrane that surrounds the vacuole and controls movement of substances into and out of the vacuole.

Figure 1.20. Diagram of a cell with multiple small vacuoles (above) and a large central vacuole (below). The vacuole is surrounded by the tonoplast membrane.
Figure 1.20. Diagram of a cell with multiple small vacuoles (above) and a large central vacuole (below). The vacuole is surrounded by the tonoplast membrane.
Figure 1.20. Diagram of a cell with multiple small vacuoles (above) and a large central vacuole (below). The vacuole is surrounded by the tonoplast membrane.

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