Biological Molecules 0.0 / 5 ? BiologyBiological moleculesASAQA Created by: L.BradyCreated on: 09-11-15 18:44 what is the basic monomer unit in carbohydrates? Monosaccharides 1 of 25 what is a condensation recation? a reaction in which two molecules are linked together and a water molecule is removed. 2 of 25 what is the reverse of condensation? hydrolysis 3 of 25 what are the 3 elements that all carbohydrates contain? carbon, hydrogen and oxygen 4 of 25 what type of sugar is glucose, give its formula. hexose, C6 H12 O6 5 of 25 when monsaccharides are joined together what bond is made? glycosidic bond 6 of 25 name the 3 monosaccharides Glucose, Fructose, Galactose 7 of 25 name the 3 disaccharides maltose, sucrose, lactose 8 of 25 what is oxidation and reduction? oxidation is the loss of elctrons, reduction is the gain of elctrons. 9 of 25 Name the test for reducing sugars and describe it. Benedict test... 10 of 25 what is benedicts reagent? Copper (II) Sulfate - and alkaline solution 11 of 25 benedicts reagent + reducing sugar = insoluable red precipatate of Coper (I) Oxide 12 of 25 For non reducing sugars what else do we do? add dilute HCL, put back in water bath for 5 minutes. Add sodium hydrogencarbonate to neualise HCL. add BR and blace back in water bath. 13 of 25 name 3 polysaccharides Starch, Glycogen, Cellulose 14 of 25 Starch alpha glucose- stargae in plants 15 of 25 glycogen alpha glucose- storage in animals 16 of 25 cellulose beta glucose- in plants for cell walls 17 of 25 starch is a micture of what? amylose and amylopectin 18 of 25 Test for starch Iodine- pottasium iodide changes from orange to clue/black. 19 of 25 what are the two Lipid groups? Trigylcerides and Phospholipids 20 of 25 what is triglyceride made up of? 1 molecule of glycerol and 3 fatty acids 21 of 25 what isa phospholipid made up of? 2 fatty acids, phosphate group and glycerol 22 of 25 test for lipids grind sample, add ethanol, shake test tube, add water. A white emulsion indicates the presence of a lipid. 23 of 25 what are proteins? polymers of amino acids 24 of 25 what is a protein specifically made up of? r group, amine group (H2N), acid group (COOH), H 25 of 25
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