A-LevelBiologyCell membranes and transport9700/12 · Oct/Nov 2013 · Q51 Mark
Many single-celled animals, living in fresh water, possess vacuoles which contract regularly, expelling excess water. Why do the cells of plants living in fresh water not require such vacuoles?
APlant cells have a higher concentration of dissolved solutes than animal cells.
BPlant cell walls are impermeable to water.
CPlant cell walls limit cell size.
DWater movement into plants is controlled by their roots.
✓ Correct answer
C: Plant cell walls limit cell size.
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