Pearson Edexcel · International A Level
YBI11 International A Level Biology
International AS: Units 1, 2 and 3. International A Level: all six units.
Source: Pearson Edexcel YBI11 specification · Confirm the syllabus year with your school.
WBI11Unit 1: Molecules, Diet, Transport and Health2 topics
- Molecules, transport and health
Carbohydrates and lipids · Blood vessels and haemoglobin · The heart and cardiac cycle · Cardiovascular disease and risk4 lessons - Membranes, proteins, DNA and gene expression
Monohybrid and dihybrid inheritance · Enzyme action and kinetics · Cell membrane structure · DNA structure and replication · Gas exchange surfaces · Transcription and translation · Proteins and water · Transport across membranes8 lessons
WBI12Unit 2: Cells, Development, Biodiversity and Conservation2 topics
- Cell structure, reproduction and development
Meiosis and variation · Eukaryotic and prokaryotic cell structure · Microscopy and magnification · Gene expression and stem cells · Mitosis and the cell cycle5 lessons - Plant structure and function, biodiversity and conservation
Classification and biodiversity · Plant fibres, starch and drug testing · Xylem, phloem and transpiration · Conservation and human impact4 lessons
WBI13Unit 3: Practical Skills in Biology I1 topics
- Practical skills
Practical techniques in biology1 lessons
WBI14Unit 4: Energy, Environment, Microbiology and Immunity2 topics
- Energy flow, ecosystems and the environment
Natural selection and population genetics · Light-dependent reactions · Speciation and evolution · Calvin cycle and limiting factors · Ecosystems, energy and nutrient cycles5 lessons - Microbiology, immunity and forensics
Infectious diseases and antibiotics · Immune response and vaccination · Microbial growth and forensics3 lessons
WBI15Unit 5: Respiration, Internal Environment, Coordination and Gene Technology2 topics
- Respiration, muscles and the internal environment
Homeostasis and the kidney · ATP, glycolysis and anaerobic respiration · Krebs cycle and oxidative phosphorylation · Muscle contraction and plant responses · Blood glucose control5 lessons - Coordination, response and gene technology
Recombinant DNA and PCR · Nerve impulses and synapses · Genetic engineering applications · Gene expression and stem cells4 lessons
WBI16Unit 6: Practical Skills in Biology II1 topics
- Practical skills
Planning, analysis and evaluation1 lessons