3.2 Osmosis (3)

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1.

Explain the effects on plant cells of immersing them in solutions of different concentrations, using the terms turgid, turgor pressure, plasmolysis, and flaccid. Your answer should consider the movement of water across the cell membrane.

2.

Explain how the properties of water as a solvent are essential for the function of the circulatory system in animals. Include specific examples relating to the transport of oxygen and nutrients.

3.

A student states: "Water is a good solvent because it dissolves everything." Explain why this statement is incorrect. Describe how the properties of water limit its solvent ability.