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Question
What is a tonoplast?
Options
Outer membrane of mitochondria
Inner membrane of chloroplast
Membrane boundary of the vacuole of plant cells
Cell membrane of a plant cell
Solution
Membrane boundary of the vacuole of plant cells
Explanation:
Tonoplast is a cytoplasmic membrane which surrounds the vacuole and separates it from the cytoplasm in a cell. It regulates the movements of ions around the cell and isolates the substances which may be harmful to the cell.
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