Biochemistry
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Carbohydrates
Page of information on carbohydrates, including diagrams, links and a multiple choice quiz
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Chemistry 4 kids biochemistry
Series of pages starting with chemistry, then moving on to carbohydrates, lipids and proteins. A good basic introduction
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Chemistry for biologists
Excellent site from Royal Society of Chemistry – with information and multiple choice tests on many biochemistry topics for A level.
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Drag and drop glycerol and fatty acid
A molecule jigsaw puzzle to test knowledge of these structures
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Ethanol emulsion test for lipids
Page on the emulsion test for lipids with background information on how it works.
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Fats and proteins
Page of information on fats and proteins, including diagrams, links and a quiz