Question:easy
Osmotic expansion of a cell kept in water is chiefly regulated by an organelle
Osmotic expansion of a cell kept in water is chiefly regulated by an organelle
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The tonoplast (vacuolar membrane) contains active transport proteins (proton pumps) that pump ions into the vacuole against their concentration gradient, maintaining the high osmotic pressure needed to draw water into the cell.
Updated On: Jul 24, 2026
- Mitochondria
- Vacuoles
- Plastids
- Ribosomes
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The Correct Option is B
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