A Level Revision
  • Biology Blog
  • Biology
    • Glossary
    • 1 - Biological Molecules >
      • 1.1 Carbohydrates
      • 1.2 Lipids
      • 1.3 Proteins
      • 1.4 DNA & Protein Synthesis
      • 1.5 Enzymes
      • 1.6 Inorganic Ions
      • 1.7 Water
    • 2 - Cells, Viruses & Reproduction >
      • 2.1 Eukaryotic & Prokaryotic Cells
      • 2.2 Viruses
      • 2.3 Cell Cycle & Division
      • 2.4 Sexual reproduction in mamals
      • 2.5 Sexual reproduction in plants
    • 3 - Classification & Biodiversity >
      • 3.1 Classification
      • 3.3 Biodiversity
    • 4 - Exchange & Transport >
      • 4.1 SA:Vol Ratio
      • 4.2 Cell Transport Mechanisms
      • 4.3 Gas Exchange
      • 4.4 Circulation
      • 4.5 Transport of gases in the blood
      • 4.6 Tissue Fluid
      • 4.7 Transport and gas exchange in plants
    • 5 - Energy for Biological Processes >
      • 5.1 Aerobic Respiration
      • 5.2 Glycolysis
      • 5.3 Link Reaction & Krebs Cycle
      • 5.4 Oxidative Phosphorylation
      • 5.5 Anaerobic Respiration
      • 5.6 Photosynthesis Pigments
      • 5.7 Photosynthesis
    • 6 - Microbiology & Pathogens >
      • 6.1 Microbial Techniques
      • 6.2 Bacteria as pathogens
      • 6.3 Action of antibiotics
      • 6.4 Antibiotic Resistance
      • 6.5 Other pathogenic organisms
      • 6.6 Controlling endemic disease
      • 6.7 Response to infection
    • 7 - Modern Genetics >
      • 7.1 Using Gene Sequencing
      • 7.2 Gene Expression
      • 7.3 Stem Cells
      • 7.4 Gene Technology
    • 8 - Origins of Genetic Variation >
      • 8.1 Origins of Genetic Variation
      • 8.2 Transfer of Genetic Information
      • 8.3 Gene Pools
    • 9 - Control Systems >
      • 9.1 Homeostasis
      • 9.2 Chemical Control in Mammals
      • 9.3 Chemical control in plants
      • 9.4 Mammalian Nervous System
      • 9.5 Nervous Transmission
      • 9.6 Drugs and the Nervous System
      • 9.7 Detection of light by mammals
      • 9.8 Control of heart rate in mammals
      • 9.9 Osmosis & Temperature Regulation
    • 10 - Ecosytems >
      • 10.1 The Nature of Ecosystems
      • 10.2 Energy Transfer through Ecosystems
      • 10.3 Changes in Ecosystems
      • 10.4 Human Effects on Ecosystems
  • Chemistry
    • Amount of Substance
    • Oxidation Number
    • Ionic / Covalent
    • Shapes of Molecules
    • Redox Reactions
    • Moles & Volumes
    • Free Radical Substitution
    • Alkanes & Alkenes
  • Maths
    • Equations to learn
    • Files

Syllabus 


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