Biology- biological molecules 0.0 / 5 ? BiologyBiological molecules, organic chemistry and biochemistryA2/A-levelWJEC Created by: pxnxCreated on: 03-06-19 15:55 what is amylose? starch, unbranched molecule, 1-4 glycosidic bonds, helix 1 of 19 what is amylopectin? starch, branched molecule, 1-4 and 1-6 glycosidic bonds, 2 of 19 how do you test for starch? iodine-potassium test 3 of 19 what happens in a starch test? add iodine solution,orange--blue/black 4 of 19 what are the features of cellulose? long chains of B-glucose units,180 B-links,1-4 glycosidic bonds 5 of 19 what are the features of chitin? B-1--4 linked monomers and amino acids added,180 rotation each link 6 of 19 what the physical properties of chitin? waterproof,lightweight,strong 7 of 19 how do you form a triglyceride? one glycerol molecule and 3 fatty acids 8 of 19 draw a triglyceride formation. -- 9 of 19 what are the features of a phospholipid? hydrophilic head(polar head) and hydrophobic tail(fatty acid tails) 10 of 19 what is the test for fats and oils? emulsion test- mixed with ethanol,insoluble cloudy white substance formed 11 of 19 how do you make maltose? glucose and glucose, role in germinating seeds 12 of 19 how do you make sucrose? glucose and fructose, role in transport in phloem of flowering plants 13 of 19 how do you make lactose? glucose and galactose, role in milk in mammals 14 of 19 what is LDL? low density protein-saturated fats,build up of atheroms--coronary arteries,restricts blood flow, 15 of 19 what is HDL? unsaturated fats,carries harmful fats away to the liver, lower rate of heart disease 16 of 19 draw the formation of a zwitterion. - 17 of 19 draw the formation a peptide bond, - 18 of 19 what is the test for protein? add biuret reagent, makes blue cu0h which interacts with peptide bonds,turn purple and measuring the abundace (colorimeter) 19 of 19
Comments
No comments have yet been made