Osmosis

March 2022 – Biology AS, Session 2 (out of 4)

• Describe and explain what is meant by water potential
• Understand how the presence  of a solute will affect the water potential
• Understand and use the terms hypertonic, hypotonic and isotonic
• Understand how the pressure potential is generated in plant cells
• Explain the terms turgid, plasmolysed and incipient plasmolysis in the context of water potential