Resources
Biology revision notes
71 published, listed by title. Condensed notes for the final weeks before an examination.
All 71, by title
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Revision Notes
A Level Biology: Biological Molecules — Revision Notes (Cambridge 9700)
Condensed revision notes on biochemical tests, carbohydrates and lipids, proteins, and water for Cambridge AS & A Level Biology Topic 2 (9700).
Biology · Cambridge · AS LEVEL
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Revision Notes
A Level Biology: Cell Structure — Revision Notes
Condensed recall notes on organelles, prokaryotic and eukaryotic cells, microscopy and magnification for Cambridge A Level Biology 9700.
Biology · Cambridge · AS LEVEL
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Revision Notes
A Level Biology: Enzymes — Revision Notes (Cambridge 9700)
Condensed recall notes on enzyme mode of action, lock-and-key vs induced-fit, factors affecting rate, Michaelis-Menten kinetics, inhibitors and immobilised enzymes, for Cambridge International AS & A Level Biology (9700) Topic 3.
Biology · Cambridge · AS LEVEL
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Revision Notes
AQA A Level Biology: Biological Molecules — Revision Notes
Condensed recall notes on carbohydrates, lipids, proteins, enzymes and food tests for AQA A Level Biology 7402.
Biology · AQA · AS LEVEL
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Revision Notes
AQA A-Level Biology: Eukaryotic and Prokaryotic Cell Structure — Revision Notes
Condensed recall notes on eukaryotic organelles, prokaryotic cell structure and viruses for AQA AS and A-Level Biology (7401/7402), 3.2.1.1 and 3.2.1.2.
Biology · AQA · AS LEVEL
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Revision Notes
AQA GCSE Biology 8461: Bioenergetics – Revision Notes
Condensed AQA GCSE Biology 8461 Bioenergetics notes: equations, limiting factors, inverse square law, respiration and oxygen debt, with a self-test.
Biology · AQA · GCSE
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Revision Notes
AQA GCSE Biology 8461: Ecology – Revision Notes
Condensed AQA GCSE Biology 8461 Ecology revision notes: key terms, sampling maths, decay, biomass efficiency, human impact and a quick self-test.
Biology · AQA · GCSE
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Revision Notes
AQA GCSE Biology 8461: Homeostasis and response – Revision Notes
Condensed AQA GCSE Biology 8461 notes on homeostasis: reflexes, eye, temperature, insulin, kidneys, ADH, menstrual cycle, auxin, with a self-test.
Biology · AQA · GCSE
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Revision Notes
AQA GCSE Biology 8461: Infection and response – Revision Notes
Condensed AQA GCSE Biology 8461 notes on pathogens, the seven named diseases, defences, vaccines, drugs and plant disease, with a self-test.
Biology · AQA · GCSE
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Revision Notes
AQA GCSE Biology 8461: Inheritance, variation and evolution – Revision Notes
Condensed AQA GCSE Biology 8461 notes on meiosis, DNA, genetic crosses, evolution, breeding, GM, cloning and classification, with a self-test.
Biology · AQA · GCSE
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Revision Notes
AQA GCSE Biology 8461: Key ideas – Revision Notes
Condensed AQA GCSE Biology 8461 Key ideas notes: the nine big ideas, core equations, linking chains, must-know contrasts and a quick self-test.
Biology · AQA · GCSE
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Revision Notes
AQA GCSE Biology: Cell Biology — Revision Notes
Condensed recall notes on cell structure, microscopy, mitosis, stem cells and transport for AQA GCSE Biology 8461.
Biology · AQA · GCSE
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Revision Notes
AQA GCSE Biology: Enzymes and the Digestive System — Revision Notes
Condensed recall notes on the cells-tissues-organs hierarchy, digestive enzymes, bile and required practicals 4-5 for AQA GCSE Biology (8461), 4.2.1 and 4.2.2.1.
Biology · AQA · GCSE
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Revision Notes
Biological Molecules: Revision Notes
Condensed recall notes on carbohydrates, lipids, proteins, DNA and the food tests for Cambridge O Level Biology 5090.
Biology · Cambridge · O LEVELS
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Revision Notes
Cambridge IGCSE Biology 0610: Biological molecules – Revision Notes
Condensed revision notes for Cambridge IGCSE Biology 0610 biological molecules: element lists, food-test colour table, DNA pairing and a self-test.
Biology · Cambridge · IGCSE
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Revision Notes
Cambridge IGCSE Biology 0610: Biotechnology and genetic modification – Revision Notes
Condensed revision notes for Cambridge IGCSE Biology 0610 topic 21, biotechnology and GM, with Core/Extended labels, a self-test and common mark losses.
Biology · Cambridge · IGCSE
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Revision Notes
Cambridge IGCSE Biology 0610: Coordination and response – Revision Notes
Revision notes for Cambridge IGCSE Biology 0610 coordination and response: reflexes, the eye, hormones, homeostasis and auxin, plus a self-test.
Biology · Cambridge · IGCSE
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Revision Notes
Cambridge IGCSE Biology 0610: Diseases and immunity – Revision Notes
Condensed notes on pathogens, defences, disease control, active and passive immunity, vaccination and cholera, with a self-test, for Cambridge IGCSE 0610.
Biology · Cambridge · IGCSE
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Revision Notes
Cambridge IGCSE Biology 0610: Drugs – Revision Notes
Condensed Cambridge IGCSE Biology 0610 notes on drugs and antibiotics, with the Core/Extended split, a resistance method box and a self-test with answers.
Biology · Cambridge · IGCSE
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Revision Notes
Cambridge IGCSE Biology 0610: Enzymes – Revision Notes
Condensed revision notes for Cambridge IGCSE Biology 0610 Enzymes, with Core and Extended answer templates, rate calculations and a self-test.
Biology · Cambridge · IGCSE
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Revision Notes
Cambridge IGCSE Biology 0610: Excretion in humans – Revision Notes
Condensed revision notes on excretion for Cambridge IGCSE Biology 0610: kidney, nephron, deamination and urea, with a self-test and common mark losses.
Biology · Cambridge · IGCSE
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Revision Notes
Cambridge IGCSE Biology 0610: Gas exchange in humans – Revision Notes
Condensed notes on gas exchange for Cambridge IGCSE Biology 0610: key terms, the ventilation sequence, air composition, a self-test and common mark losses.
Biology · Cambridge · IGCSE
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Revision Notes
Cambridge IGCSE Biology 0610: Human influences on ecosystems – Revision Notes
Condensed revision notes for 0610 Human influences on ecosystems: food supply, deforestation, pollution, eutrophication steps, conservation and self-test.
Biology · Cambridge · IGCSE
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Revision Notes
Cambridge IGCSE Biology 0610: Inheritance – Revision Notes
Condensed Cambridge IGCSE Biology 0610 inheritance notes: definitions, genetic diagram method, Core and Extended split and a quick self-test with answers.
Biology · Cambridge · IGCSE
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Revision Notes
Cambridge IGCSE Biology 0610: Organisms and their environment – Revision Notes
Condensed revision notes for 0610 Organisms and their environment: key definitions, pyramids, energy efficiency, nutrient cycles and a quick self-test.
Biology · Cambridge · IGCSE
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Revision Notes
Cambridge IGCSE Biology 0610: Plant nutrition – Revision Notes
Condensed notes on photosynthesis, starch tests, rate experiments, limiting factors and leaf tissues, with a self-test, for Cambridge IGCSE Biology 0610.
Biology · Cambridge · IGCSE
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Revision Notes
Cambridge IGCSE Biology 0610: Reproduction – Revision Notes
Condensed Cambridge IGCSE Biology 0610 reproduction notes: flowers, gametes, the menstrual cycle, hormones and STIs, with a self-test and answers.
Biology · Cambridge · IGCSE
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Revision Notes
Cambridge IGCSE Biology 0610: Respiration – Revision Notes
Condensed respiration notes for Cambridge IGCSE Biology 0610: equations, uses of energy, yeast investigation, oxygen debt and a self-test with answers.
Biology · Cambridge · IGCSE
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Revision Notes
Cambridge IGCSE Biology 0610: Transport in animals – Revision Notes
Condensed revision notes on the heart, circulation, blood vessels and blood, with a self-test and Extended content flagged, for Cambridge IGCSE 0610.
Biology · Cambridge · IGCSE
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Revision Notes
Cambridge IGCSE Biology 0610: Transport in plants – Revision Notes
Condensed revision notes on xylem, phloem, root hairs, transpiration, wilting and sources and sinks, with a self-test, for Cambridge IGCSE Biology 0610.
Biology · Cambridge · IGCSE
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Revision Notes
Cambridge IGCSE Biology 0610: Variation and selection – Revision Notes
Condensed Cambridge IGCSE Biology 0610 notes on variation, mutation, adaptive features and selection, with Core and Extended labels and a self-test.
Biology · Cambridge · IGCSE
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Revision Notes
Cambridge International AS & A Level Biology 9700: Cell membranes and transport – Revision Notes
Condensed revision notes for Cambridge 9700 cell membranes and transport: membrane roles, transport processes, water potential, SA:V and a self-test.
Biology · Cambridge · AS LEVEL
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Revision Notes
Cambridge International AS & A Level Biology 9700: Classification, biodiversity and conservation – Revision Notes
Condensed Cambridge 9700 revision notes on classification, sampling, the Lincoln index, Simpson's index, correlation and conservation, with a self-test.
Biology · Cambridge · A LEVEL
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Revision Notes
Cambridge International AS & A Level Biology 9700: Control and coordination – Revision Notes
Cambridge 9700 control and coordination revision notes: neurones, action potentials, synapses, sliding filaments and plant responses, plus a self-test.
Biology · Cambridge · A LEVEL
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Revision Notes
Cambridge International AS & A Level Biology 9700: Energy and respiration – Revision Notes
Condensed notes on ATP, RQ, the stages of aerobic respiration, fermentation and rice, with a checked self-test, for Cambridge A Level Biology 9700.
Biology · Cambridge · A LEVEL
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Revision Notes
Cambridge International AS & A Level Biology 9700: Gas exchange – Revision Notes
Quick-recall notes on airway tissues, their functions, plan diagrams and alveolar gas exchange, with a self-test, for Cambridge 9700 AS Level Biology.
Biology · Cambridge · AS LEVEL
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Revision Notes
Cambridge International AS & A Level Biology 9700: Genetic technology – Revision Notes
Condensed Cambridge 9700 genetic technology notes: gene transfer tools, PCR, electrophoresis, microarrays, medicine and GM crops, with a self-test.
Biology · Cambridge · A LEVEL
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Revision Notes
Cambridge International AS & A Level Biology 9700: Homeostasis – Revision Notes
Cambridge 9700 homeostasis revision notes: nephron, ADH, glucagon signalling, insulin, biosensors and stomata, with a self-test and common mark losses.
Biology · Cambridge · A LEVEL
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Revision Notes
Cambridge International AS & A Level Biology 9700: Immunity – Revision Notes
Condensed 9700 AS Biology notes on the immune response, memory cells, antibody structure, monoclonal antibodies and vaccination, with a self-test.
Biology · Cambridge · AS LEVEL
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Revision Notes
Cambridge International AS & A Level Biology 9700: Infectious diseases – Revision Notes
Condensed 9700 AS Biology notes on pathogens, transmission, disease control, penicillin and antibiotic resistance, with a self-test and answers.
Biology · Cambridge · AS LEVEL
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Revision Notes
Cambridge International AS & A Level Biology 9700: Inheritance – Revision Notes
Condensed Cambridge 9700 inheritance notes: meiosis stages, cross types, chi-squared steps, gene-protein links and the lac operon, with a self-test.
Biology · Cambridge · A LEVEL
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Revision Notes
Cambridge International AS & A Level Biology 9700: Nucleic acids and protein synthesis – Revision Notes
Condensed notes on DNA and RNA structure, replication, the genetic code, transcription, translation and mutations, with a self-test, for Cambridge 9700.
Biology · Cambridge · AS LEVEL
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Revision Notes
Cambridge International AS & A Level Biology 9700: Photosynthesis – Revision Notes
Quick-recall notes on chloroplasts, pigments, Rf, cyclic and non-cyclic photophosphorylation, the Calvin cycle and limiting factors for Cambridge 9700.
Biology · Cambridge · A LEVEL
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Revision Notes
Cambridge International AS & A Level Biology 9700: Selection and evolution – Revision Notes
Condensed Cambridge 9700 notes on variation, t-test steps, selection types, Hardy-Weinberg, selective breeding and speciation, with a self-test.
Biology · Cambridge · A LEVEL
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Revision Notes
Cambridge International AS & A Level Biology 9700: The mitotic cell cycle – Revision Notes
Condensed revision notes for Cambridge 9700 mitotic cell cycle: chromosome terms, cycle stages, telomeres, stem cells, tumours and a self-test.
Biology · Cambridge · AS LEVEL
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Revision Notes
Cambridge International AS & A Level Biology 9700: Transport in mammals – Revision Notes
Condensed notes on vessels, tissue fluid, the chloride shift, the Bohr shift and the cardiac cycle, with a self-test, for Cambridge 9700 AS Biology.
Biology · Cambridge · AS LEVEL
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Revision Notes
Cambridge International AS & A Level Biology 9700: Transport in plants – Revision Notes
Condensed notes on xylem, phloem, apoplast and symplast, transpiration, xerophytes and mass flow, with a self-test, for Cambridge 9700 AS Biology.
Biology · Cambridge · AS LEVEL
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Revision Notes
Cell Structure and Organisation: Revision Notes
Condensed recall notes on animal, plant and bacterial cells, specialisation and levels of organisation for Cambridge O Level Biology 5090.
Biology · Cambridge · O LEVELS
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Revision Notes
Edexcel A Level Biology: Molecules, Transport and Health — Revision Notes
Condensed recall notes on biological molecules, the circulatory system, atherosclerosis and cardiovascular risk for Pearson Edexcel International A-Level Biology (YBI11).
Biology · Pearson Edexcel · A LEVELS
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Revision Notes
Edexcel A-Level Biology: Gas Exchange Surfaces, Membranes and Osmosis — Revision Notes
Condensed recall notes on Fick's Law, gas exchange surfaces, the fluid mosaic model and membrane transport for Pearson Edexcel International A-Level Biology (YBI11), outcomes 2.1-2.5.
Biology · Pearson Edexcel · A LEVELS
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Revision Notes
Edexcel IGCSE Biology: Nature and Variety of Living Organisms — Revision Notes
Condensed recall notes on the characteristics of life, the five kingdoms, pathogens and levels of organisation for Edexcel International GCSE Biology 4BI1.
Biology · Pearson Edexcel · IGCSE
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Revision Notes
Edexcel International GCSE Biology 4BI1: Ecology and the environment – Revision Notes
Condensed revision notes for Edexcel IGCSE Biology 4BI1 ecology: key terms, energy transfer, nutrient cycles, pollution and a quick self-test.
Biology · Pearson Edexcel · IGCSE
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Revision Notes
Edexcel International GCSE Biology 4BI1: Use of biological resources – Revision Notes
Revision notes for Edexcel IGCSE Biology 4BI1 Topic 5: food production, fermenters, selective breeding, GM and cloning, with a quick self-test.
Biology · Pearson Edexcel · IGCSE
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Revision Notes
Enzymes: Revision Notes
Condensed recall notes on enzyme action, the lock-and-key model and the effects of temperature and pH for Cambridge O Level Biology 5090.
Biology · Cambridge · O LEVELS
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Revision Notes
How DP Biology Is Assessed: Revision Notes
Condensed recall notes on the assessment structure – papers, weightings and the internal assessment – for IB Diploma Programme Biology.
Biology · International Baccalaureate · IB
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Revision Notes
IB DP Biology Theme A: Unity and Diversity – Revision Notes
Condensed revision notes on IB Diploma Programme Biology's Theme A – Unity and diversity – water, nucleic acids, cell structure, classification, evolution and conservation – with HL-only content marked and self-test questions.
Biology · International Baccalaureate · IB
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Revision Notes
IB DP Biology Theme B: Form and Function – Revision Notes
Condensed revision notes on IB Diploma Programme Biology's Theme B – Form and function – carbohydrates and lipids, proteins, membranes, organelles, cell specialization, gas exchange, transport and adaptation – with HL-only content marked and self-test questions.
Biology · International Baccalaureate · IB
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Revision Notes
IGCSE Biology: Characteristics and Classification of Living Organisms — Revision Notes
Condensed recall notes on MRS GREN, the five kingdoms, vertebrate and arthropod groups, and dichotomous keys for Cambridge IGCSE Biology 0610.
Biology · Cambridge · IGCSE
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Revision Notes
IGCSE Biology: Human Nutrition — Revision Notes
Condensed recall notes on diet, the digestive system, physical and chemical digestion, and absorption, with the Core/Supplement split, for Cambridge IGCSE Biology (0610).
Biology · Cambridge · IGCSE
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Revision Notes
IGCSE Biology: Movement Into and Out of Cells — Revision Notes
Condensed recall notes on diffusion, osmosis and active transport, with the Core/Supplement split, for Cambridge IGCSE Biology (0610).
Biology · Cambridge · IGCSE
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Revision Notes
IGCSE Biology: Organisation of the Organism — Revision Notes
Condensed recall notes on plant, animal and bacterial cell structure, the six named specialised cells, magnification calculations, and the cell-to-organism hierarchy, for Cambridge IGCSE Biology (0610).
Biology · Cambridge · IGCSE
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Revision Notes
OCR A Level Biology: Development of Practical Skills — Revision Notes
Condensed recall notes on variables, validity, reliability, accuracy, precision and uncertainty for OCR A Level Biology H420.
Biology · OCR · A LEVELS
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Revision Notes
OCR A Level Biology: Foundations in Biology — Revision Notes
Condensed recall notes on cell structure, microscopy, and biological molecules, for OCR A Level Biology A (H420), Module 2 opening sub-topics.
Biology · OCR · A LEVELS
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Revision Notes
OCR GCSE Biology: Cell Level Systems — Revision Notes
Condensed recall notes on cell structure, microscopy, enzymes, respiration, photosynthesis and DNA for OCR GCSE Biology J247.
Biology · OCR · GCSE
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Revision Notes
OCR GCSE Biology: Scaling Up — Revision Notes
Condensed recall notes on diffusion/osmosis/active transport, mitosis, stem cells, surface area to volume ratio, and the human and plant transport systems for OCR GCSE (9-1) Biology A Gateway Science (J247), Topic B2.
Biology · OCR · GCSE
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Revision Notes
OxfordAQA A Level Biology: Diversity of Living Organisms — Revision Notes
Condensed recall notes on classification, biodiversity indices and genetic diversity, with natural selection as a Unit 3 forward reference, for OxfordAQA International A Level Biology 9610.
Biology · OxfordAQA · AS LEVEL
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Revision Notes
OxfordAQA A Level Biology: The Causes of Disease — Revision Notes
Condensed recall notes on pathogens, disease mechanisms and lifestyle risk factors for coronary heart disease and cancer, for OxfordAQA International A-Level Biology (9610), sub-topic 3.2.1.
Biology · OxfordAQA · AS LEVEL
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Revision Notes
OxfordAQA IGCSE Biology: Bioenergetics — Revision Notes
Condensed recall notes on photosynthesis, exchange and transport in plants, circulation, digestion, breathing and respiration, for OxfordAQA International GCSE Biology (9201), Topic 2 Bioenergetics.
Biology · OxfordAQA · IGCSE
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Revision Notes
OxfordAQA IGCSE Biology: Organisation — Revision Notes
Condensed recall notes on Topic 1 Organisation of OxfordAQA International GCSE Biology 9201 (cell structure, tissues, organs and organ systems, and transport in cells), with linked Topic 2 notes on enzymes and digestion, the heart and the lungs.
Biology · OxfordAQA · IGCSE
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Revision Notes
Pearson Edexcel IGCSE Biology: Cell Structure and Biological Molecules — Revision Notes (4BI1)
Condensed revision notes on cell structures and functions, plant vs animal cells, and the three major biological molecules for Pearson Edexcel International GCSE Biology (4BI1).
Biology · Pearson Edexcel · IGCSE
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Revision Notes
Pearson Edexcel IGCSE Biology: Reproduction and Inheritance — Revision Notes (4BI1)
Condensed revision notes on sexual and asexual reproduction, DNA and the genome, monohybrid inheritance, mitosis and meiosis, variation and natural selection, for Topic 3 of Pearson Edexcel International GCSE Biology (4BI1).
Biology · Pearson Edexcel · IGCSE