Biological Molecules - Protiens 0.0 / 5 ? BiologyBiological moleculesASWJEC Created by: cassie97Created on: 05-05-14 14:25 Proteins contain which elements? C, H, O, N and sometimes P and S. 1 of 8 Proteins serve as...for... Enzymes for defence, transport, support, motion, regulation and storage. 2 of 8 A dipeptide is formed by... A condensation reaction between the carboxylic acid of one amino acid and the amine group of another. 3 of 8 Reducing sugar test. Add Benedict's reagent and boil. Blue to brick red. 4 of 8 Non reducing sugar test. Dilute HCl and boil. Neutralise with NaHCO3. Add Benedict's reagent and boil. Blue to brick red. 5 of 8 Fats test. Add ethanol and shake. Add cold water. Clear to cloudy. 6 of 8 Proteins test. Add KOH and CuS and shake. Blue to purple. 7 of 8 Starch test. Add iodine potassium. Orange to brown. 8 of 8
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