Advanced Level (AS/A2) Biology Course

Course Progress

Course Navigation

  • Biochemistry & molecular biology
    • Biological polymers & their monomers
    • Carbohydrates
    • Lipids
    • Proteins
    • Enzymes
    • Nucleic acids
    • DNA replication
    • ATP
    • Water
    • Inorganic ions
    • Exam Questions & Revision
  • Cells
    • An introduction to eukaryotic cell structure
    • Eukarya – animal & plant cell structure
    • Eukarya – animal & plant tissues & organs
    • Structure of prokaryotic cells & viruses
    • Optical & electron microscopy
    • Cell fractionation & ultracentrifugation
    • Mitosis & the cell cycle
    • Membranes & transport
    • Immunology
    • Monoclonal antibodies
    • Further Virology
    • Exam Questions & Revision
  • Exchange & transport systems
    • Introduction, protoctista & insects
    • Fish & amphibians
    • Dicotyledonous leaves
    • Lungs
    • The structure & function of haemoglobin
    • Adaptations of different organisms haemoglobin
    • Circulation & exchange
    • Heart & cardiac cycle
    • Cardiovascular disease
    • Structure & Function of the Digestive System
    • Digestion of carbohydrates, proteins & lipids
    • Absorption of digestive products
    • Cholera
    • Phloem structure & function, sucrose sources & sinks
    • Translocation – experimental evidence & theories
    • Xylem structure & function
    • Transpiration – experimental evidence & theories
    • Exam Questions & Revision
  • Genetics, variation & biodiversity
    • The genetic code – introns & exons
    • Transcription & translation
    • Gene mutations
    • Meiosis
    • An introduction to natural selection
    • Types of natural selection
    • Species, classification & taxonomy
    • Biochemical & genetic evidence used in classification
    • Courtship behaviour
    • Biodiversity – species diversity index
    • Biodiversity & farming
    • Exam Questions & Revision
  • Energy in Biological Systems
    • Autotrophs & heterotrophs
    • Photosynthesis – biochemistry
    • Photosynthesis – experimental evidence
    • Respiration – glycolysis
    • Respiration – forms of anaerobic respiration
    • Aerobic respiration, Krebs cycle & ETC
    • Energy flow – ecosystems
    • Energy flow – farming & fertilisers
    • The nitrogen & phosphorus cycles
    • Exam Questions & Revision
  • Sensitivity, coordination & control systems
    • Taxes, kineses & reflexes
    • Receptors – the Pacinian corpuscle & the eye
    • Chemical control in plants
    • Control of the heart rate
    • Neurones & impulses
    • Synaptic transmission
    • Human Nervous System & Brain 
    • Muscle physiology
    • Homeostasis & Hormones: Control of blood glucose
    • Hormones & osmoregulation
    • Exam Questions & Revision
  • Genetics, evolution & ecology
    • Introduction & monohybrid inheritance
    • Dihybrid inheritance
    • Gender & sex linkage
    • Incomplete dominance, codominance & multiple alleles
    • Polygenic inheritance, epistasis & lethal genes
    • The chi squared test
    • Population genetics – Hardy Weinberg
    • Speciation & evolution
    • Types of natural selection
    • Introduction to ecology
    • Ecological techniques
    • Rocky shore fieldwork
    • Succession
    • Exam Questions & Revision
  • The control of gene expression
    • Gene & chromosomal mutations
    • Cell potency & differentiation
    • Regulation of transcription & translation – 1
    • Regulation of transcription & translation – 2 (epigenetics)
    • Introduction to Cancer
    • Genes & cancer
    • Using genome projects
    • Genetic engineering – vectors, plasmids, transgenics 
    • Genetic engineering – locating & isolating genes
    • Gene therapy
    • DNA probes
    • Genetic fingerprinting
    • Exam Questions & Revision
  • Practical & Investigative Skills
    • Overview of Practical Skills
    • Opinions & Evidence
    • Hypothesis & Prediction
    • Types of Variable
    • Conducting Fair Tests
    • Accuracy, Precision & Sensitivity
    • Selecting & Using Apparatus
    • Reliability, Validity & Error
    • Presenting Data in Tables
    • Principles of Graph Drawing
    • Non-Linear Graphs
    • Linear Graphs
    • Interpreting Data & Drawing Conclusions
    • Recognising Mathematical Relationships
    • Biological Drawings
    • Science, Society & Ethics
  • Statistics in Biology
    • Introduction to Statistical Tests
    • Central Tendency & Normal Distribution
    • Dispersion & Standard Deviation
    • Student’s t-test for paired samples
    • Student’s t-test for independent samples
    • Pearson’s PMC Coefficient
    • Spearman Rank Correlation Coefficient
  • Exam Technique: Core Skills
    • Exam Question Styles
    • Command Words
    • Common Errors
    • Practical-Based Exam Questions
    • Synoptic Essays

Biochemistry & molecular biology

Cells

Exchange & transport systems

Genetics, variation & biodiversity

Energy in Biological Systems

Sensitivity, coordination & control systems

Genetics, evolution & ecology

The control of gene expression

Practical & Investigative Skills

Statistics in Biology

Exam Technique: Core Skills