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publish date: 2026/06/15 06:28:29.447831 UTC
Vacuoles are membrane-bound fluid-filled spaces. The specific membrane that encloses the vacuole has its own name.
The membrane surrounding the vacuole is called the (1).
Please drag and drop the selected option in the right place or type it instead
tonoplast
microtubule
microfilament
amyloplast
Correct Answer
(1) tonoplast
Explanation
The membrane surrounding the vacuole is the tonoplast. The liquid inside the vacuole is called cell sap, which is mostly water with dissolved substances. Cell sap is usually hyperosmotic relative to the external medium, so water moves in via osmosis, helping keep the cell turgid.
Reference
Biology: A Self-Teaching Guide