IB Biology SL 2.3.3 Osmosis into/out of cells Question Bank
Practise IB Biology SL 2.3.3 by explaining why animal cells need solutions with matching osmolarity.
- Syllabus
- First assessment 2025
- Course
- Biology SL
- Level
- SL
Exam points
- Explain that matching osmolarity prevents net osmosis in animal cells and tissues.
- Predict how incorrect osmolarity can make cells swell, burst or shrink.
D2.3.3—Osmosis into/out of cells question 1
The electron micrograph shows the surface membrane of an animal cell.
Explain the reason that animal cells and tissues under investigation must be maintained in solutions with the same osmolarity.
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