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The Whole of AQA A-Level Biology | Biological Molecules | Revision

Music; Something Elated by Broke For Free. From the Free Music Archive, CC BY Images from; Classroom Core (TpT), Hidesy Clipart (TpT), The Cher Room (TpT), The Triple Point (TpT), Ninja Woman (TpT), The Painted Crew (TpT) Teacher's Clipart (TpT) Shutterstock 00:00 Start 01:27 Bonding in biological molecules 02:54 Monomers and Polymers 03:57 Hydrolysis and condensation reactions 05:51 Monosaccharides 06:42 α-glucose and β–glucose detailed (linked to α-glucose and β–glucose detailed in 3d) 07:43 α-glucose and β–glucose detailed in 3d 09:16 α-glucose and β–glucose Simple 09:36 Galactose and fructose 10:19 Disaccharides 11:11 Polysaccharides definition 11:31 α-glucose and starch 12:12 α-glucose and glycogen 12:52 β–glucose and cellulose 13:31 Tests for reducing sugars and non-reducing sugars 15:14 Tests for starch 15:29 Lipids 16:30 Testing for lipids 16:50 Triglycerides 17:54 Phospholipids 19:20 Amino acids 20:34 Dipeptides (linked to peptide bonds) 21:34 Peptide bonds 21:49 The role of proteins 22:48 Buiret test for proteins 23:21 Protein structure – overview 24:12 Protein structure - primary structure 24:26 Protein structure - secondary structure - alpha helix 25:28 Protein structure - secondary structure - Beta pleated sheet 25:47 Protein structure - tertiary structure 26:46 Protein structure -quaternary structure 27:12 Enzyme action (inc reaction profile) 28:39 Enzymes - Lock and Key Mechanism 29:05 Enzymes - Induced Fit Mechanism 29:41 Required Practical 1 - Investigation into the effect of a named variable on the rate of an enzyme-controlled reaction 31:17 Enzymes Rates – graphs 32:43 Enzymes Rates – temperature 34:57 Enzymes Rates – pH 37:08 Enzymes Rates – Concentration 38:55 Enzyme inhibition 40:45 Nucleotides 42:20 RNA 43:25 DNA replication 44:54 Adenosine triphosphate – ATP 46:40 Water 48:10 Inorganic ions