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

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