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Biological Molecules (Carbohydrates (C - H - O), Fats / Oils (C-H-O…
Biological Molecules
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Fats / Oils
C-H-O
Chemical test: Ethanol is added to the mixture, and poured into a test tube with an equal amount of distilled water. Positive result will give a milky-white emulsion
Proteins
C-H-O-N-(S)
Chemical Test: Add few drops of Buiret reagent, positive result will give a mauve colour
Monomer: Simple sugars
Chemical test: Add blue Benedict's reagent, then heat in a water bath for 2 - 3 minutes. Positive result will give a brick-red precipitate
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Vitamin C
Chemical test: Positive result will show decolourisation of DCIP. The more concentrated the Vitamin C, the fewer drops needed to decolour DCIP.
Chromosome
Made out of long, tightly-coiled strands of molecule called DNA
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