A-LevelBiologyCell membranes and transport9700/12 · Oct/Nov 2015 · Q171 Mark
What explains the effect on a red blood cell of being placed into pure water?
ALess water leaves the cell than enters it, so the cell shrinks.
BMore water enters the cell than leaves it, so the cell swells and bursts.
CWater enters the cell and none leaves it, so the cell swells and bursts.
DWater enters the cell and more leaves it, so the cell shrinks.
✓ Correct answer
B: More water enters the cell than leaves it, so the cell swells and bursts.
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