Biological Molecules 0.0 / 5 ? BiologyHUman NutritionIGCSEEdexcel Created by: LauranCreated on: 29-10-13 12:49 Carbohydrates are made up of simple... Sugars 1 of 9 Carbohydrate molecules contain what elements? Carbon, Hydrogen, Oxygen 2 of 9 Starch and glycogen are .... large complex carbohydrates, made up of smaller units (glucose,maltose) joined together in a long chain 3 of 9 Proteins are made up of long chains of... amino acids 4 of 9 Proteins contain Carbon,Nitrogen, Hydrogen and oxygen 5 of 9 Lipids are made of... and... Fatty Acids and Glycerol 6 of 9 Lipids contain... Carbon, Hydrogen and Oxygen 7 of 9 How can you test for Glucose? Add Benedicts Reagent (blue) to a sample and heat it, If it has alot the precipitate will go blue>green>yellow>orange>brick red 8 of 9 How do you test for starch? Add iodine solution, it changes from a browny-orange to a dark blue-black colour 9 of 9
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