13:39

19-5 Genetic Modification: Using Plasmids as Vectors (Cambridge AS A Level Biology, 9700)

09:23

19-4 Genetic Modification: Using Reverse Transcriptase (Cambridge AS A Level Biology, 9700)

18:31

17-6 How Natural Selection leads to Evolution (Cambridge AS A Level Biology, 9700)

15:14

19-3 Genetic Modification: Using Restriction Endonucleases (Cambridge AS A Level Biology, 9700)

21:03

17-5 Introduction to Evolution (Cambridge AS A Level Biology, 9700)

11:42

19-2 Recombinant DNA Technology - An Introduction (Cambridge AS A Level Biology, 9700)

01:51

19-1 Introduction to Genetic Technology (Cambridge AS A Level Biology, 9700)

08:55

17-4 Discontinuous Variation, and some questions (Cambridge AS A Level Biology, 9700)

16:35

17-3 Continuous Variation (Cambridge AS A Level Biology, 9700)

16:29

17-2 Genetic Variation (Cambridge AS A Level Biology, 9700)

02:24

17-1 Introduction to Variation (Cambridge AS A Level Biology, 9700)

26:42

16-12 Dihybrid Inheritance: Unlinked Genes (Cambridge AS A Level Biology, 9700)

08:24

16-20 Gene Expression in Eukaryotes: Transcription Factors (Cambridge AS A Level Biology, 9700)

18:06

16-19 Gene Expression in Prokaryotes: Lac Operon (Cambridge AS A Level Biology, 9700)

16:26

16-18 Structural/Regulatory Genes, Promoters, Inducible/Repressible Enzymes

09:46

16-17 Control of Gene Expression: Introduction (Cambridge AS A Level Biology, 9700)

25:05

16-16 TYR gene, F8 gene, HTT gene, HBB gene, Le gene (Cambridge AS A Level Biology, 9700)

09:09

16-15 How to identify Linked or Unlinked Genes (Cambridge AS A Level Biology, 9700)

16:18

16-14 Linked Genes or Autosomal Linkage (Cambridge AS A Level Biology, 9700)

08:59

16-13 Epistasis or Gene Interactions (Cambridge AS A Level Biology, 9700)

03:23

16-11 Intro to Dihybrid Inheritance: Linked & Unlinked Genes (Cambridge AS A Level Biology, 9700)

15:49

16-10 Cross Over & Independent/Random Assortment in Meiosis (Cambridge AS A Level Biology, 9700)

12:59

16-9 Autosomal Inheritance or Sex-Linked Inheritance? (Cambridge AS A Level Biology, 9700)

17:36

16-8 Sex Chromosomes & Sex Linkage - X, Y Chromosomes (Cambridge AS A Level Biology, 9700)

04:18

16-7 Test Cross (Cambridge AS A Level Biology, 9700)

14:59

16-6 Monohybrid Inheritance (Cambridge AS A Level Biology, 9700)

30:35

16-5 Genes, Alleles, Dominant, Recessive, Codominance, Etc. (Cambridge AS A Level Biology, 9700)

12:19

16-4 Meiosis I and II(Cambridge AS A Level Biology, 9700)

09:55

16-3 An Introduction to Meiosis (Cambridge AS A Level Biology, 9700)

14:23

16-2 Diploid & Haploid Cells; Homologous Chromosomes (Cambridge AS A Level Biology, 9700)

07:29

16-1 Intro to Inheritance: Sexual Reproduction (Cambridge AS A Level Biology, 9700)

19:29

15-22 Chemical Communication in Plants: Auxin & Gibberellins (Cambridge AS A Level Biology, 9700)

23:00

15-21 Electrical Communication in Plants: Venus Fly Trap (Cambridge AS A Level Biology, 9700)

12:53

15-20 The Neuromuscular Junction (Cambridge AS A Level Biology, 9700)

18:17

15-19 Sliding Filament Theory (Cambridge AS A Level Biology, 9700)

11:20

15-18 Generalized Contraction of the Myofibril, AHI Zone (Cambridge AS A Level Biology, 9700)

08:27

15-17 Detailed Structure of Actin and Myosin Filaments (Cambridge AS A Level Biology, 9700)

05:25

15-16 Myofibril Structure (Cambridge AS A Level Biology, 9700)

12:04

15-15 Skeletal Muscle Structure (Cambridge AS A Level Biology, 9700)

17:33

15-14 How do Receptors Generate an Action Potential (Cambridge AS A Level Biology, 9700)

05:36

15-13 Role of Synapses (Cambridge AS A Level Biology, 9700)

22:02

15-12 Cholinergic Synapse (Cambridge AS A Level Biology, 9700)

10:53

15-11 Function of the Myelin Sheath (Cambridge AS A Level Biology, 9700)

10:31

15-10 How the Action Potential Moves Along the Axon (Cambridge AS A Level Biology, 9700)

04:03

15-9 Example of an Action Potential Question (Cambridge AS A Level Biology, 9700)

07:31

15-8 Threshold Potential (Cambridge AS A Level Biology, 9700)

04:01

15-7 The Membrane Potential Graph (Cambridge AS A Level Biology, 9700)

10:21

15-6 Action Potential: Depolarization & Repolarization (Cambridge AS A Level Biology, 9700)

12:17

15-5 Resting Membrane Potential (Cambridge AS A Level Biology, 9700)

11:16

15-4 What is 'Action Potential' or 'Nerve/Electrical Impulse?' (Cambridge AS A Level Biology, 9700)

09:36

15-3 Sensory Neurone & Motor Neurone (Cambridge AS A Level Biology, 9700)

08:16

15-2 Structure of the Nervous System (Cambridge AS A Level Biology, 9700)

10:55

15-1 Comparing the Endocrine & Nervous System (Cambridge AS A Level Biology, 9700)

11:38

14-17 How the Stoma Opens & Closes, Effect of Abscisic Acid (Cambridge AS A Level Biology, 9700)

06:35

14-16 The uniqueness of the cell wall of Guard Cells (Cambridge AS A Level Biology, 9700)

07:28

14-15 Introduction to Plant Homeostasis, Guard Cells & Stomata (Cambridge AS A Level Biology, 9700)

10:15

14-14 Measuring Glucose in the Blood using a Biosensor (Cambridge AS A Level Biology, 9700)

10:03

14-13 Measuring Glucose in the Urine using a Test Strip (Cambridge AS A Level Biology, 9700)

11:55

14-12 How GLUCACON increases our blood glucose concentration (Cambridge AS A Level Biology, 9700)

11:04

14-11 How INSULIN lowers our blood glucose concentration (Cambridge AS A Level Biology, 9700)