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Food and Energy (Food Types (Vitamin C (Keeps the body in good working…
Food and Energy
Food Types
Vitamin C
Keeps the body in good working order,particularly teeth and gums. Example: Oranges
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Water
Need as: a solvent and for reactions that cannot take place without water. Also a transfer medium, for example in blood.
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Food Tests
Protein: Biuret
Add sodium hydroxide, few drops of copper sulfate and shake. Changes from Blue to Lilac.
Fat: Ethanol
Shake fat with ethanol in boiling tube, then add an equal volume
of water. Changes from Clear to White emulsion.
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