Water + questions

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Notes gained from college, OCR Heineman biology textbook and revision guide, Cambridge biology book,CGP OCR biology revision book and other resources found in the college library.

The questions have either been made up or from the resources.

Good luck in your exam!

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Water is vital to living organisms: it is a metabolic reactant (used in many chemical reactions), a solvent, it transports
substances and helps with temperature control.

Hydrogen bonds are not just found in water. You will be expected to know how hydrogen bonds contribute to water's properties as

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Biological effect: This occurs in transpiration in plants and in sweating/panting in animals. Water is used as a coolant, it can be
used effectively as a small amount of water absorbs much thermal energy.

Water is an excellent SOLVENT: the tiny charges (delta plus/minus) on its molecules attract other…


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