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[h] IB DP Biology SL A2.2 Cell structure Flashcards
[q] List reasons why water is a substance on which life depends.
A1.1.1 – Water as medium of life.
[a]
- The first cells originated in water.
- Water is the “universal solvent” allowing it to dissolve and transport molecules around a body.
- Water is a metabolite in condensation and hydrolysis reactions.
- Water is a temperature buffer in bodies and ecosystems.
- Water maintains biological structures (such as phospholipid bilayer, proteins and DNA).
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