Biology

AQAOCR GatewayEdexcel
Paper 1: 16 May 2023, 1h 10m
Paper 2: 9 June 2023, 1h 10m

1. Key concepts in biology

Eukaryotic & Prokaryotic Cells 10:27
Orders of Magnitude & Standard Form 16:34
Microscopes & Magnification 15:49
Microscope Drawing and Measuring cell size 09:32
Specialised Cells 09:33
Enzymes 13:24
Core Practical Investigating Enzymes & Calculating the Rate of Reaction 05:04
Core Practical: Food Tests 06:03
Enzymes in Digestion 04:05
Diffusion & Active Transport 05:06
Core Practical: Osmosis in Potatoes 07:55

Paper 1

2. Cells and control

Cell Division 09:33
Stem Cells 09:46
The Nervous System 06:49
The Brain 05:50
The Eye 06:39

3. Genetics

Asexual & sexual reproduction & meiosis 08:16
DNA & The Human Genome Project 03:19
Protein Synthesis 09:00
Genetic Diagrams 13:16
Mendel 06:11
Fractions, Ratio, Proportion & Probability 11:13
Sex Linkage & Multiple Alleles 10:06
Variation & Mutation 07:45

4. Natural selection and genetic modification

Natural Selection 06:44
Human Evolution 03:56
Theories of Evolution: Darwin & Wallace 08:15
Classification & Evolutionary Trees 08:44
Selective Breeding 06:29
Tissue Culture 02:33
Genetic Engineering 07:38
GMO’s & Feeding the World 03:52

5. Health, disease and the development of medicines

Health & Disease 10:11
Immunity & Vaccination 10:39
Monoclonal Antibodies 07:38
Culturing Microorganisms 07:15
Antibiotics and Drug Trials 09:53
The Lifecycle of a Virus 03:47
Plant Defences & Diagnosis 08:21
Non-communicable disease 10:10
Cardiovascular Disease 09:11

Paper 2

6. Plant structures and their functions

Photosynthesis 08:09
Investigating Photosynthesis 07:57
Limiting Factors 08:14
Plant Tissues 09:19
Transpiration 10:43
Plant Adaptations 07:26
Plant Hormones 05:54

7. Animal coordination, control and homeostasis

The Endocrine System 03:46
Adrenalin and Thyroxine 09:39
Thermoregulation 10:01
The Menstrual Cycle Foundation 09:32
The Menstrual Cycle Higher 08:01
Controlling Blood Glucose Levels 07:36
Controlling Water: The Excretory System 13:50

8. Exchange and transport in animals

Respiration 06:18
The Circulatory System 14:28
Diffusion 16:42

9. Ecosystems and material cycles

Core Practical: Sampling in Ecosystems 06:11
Interdependence 09:43
Pyramids of Biomass & Biomass Transfer 04:40
Cycling in Ecosystems 08:29
Decay 05:56
Biodiversity 13:36
Monitoring Pollution & Biodiversity 03:40
Food Security 08:23
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