Edexcel A-Level Biology A Lessons
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1Lifestyle, health and risk7 subtopics
- 1.1–4Mass transport and the mammalian heart
- 1.3Blood vessels and the Daphnia heart-rate practical
- 1.5–6Atherosclerosis, blood clotting and cardiovascular disease
- 1.7Risk factors and treatment of cardiovascular disease
- 1.8–10Studying health risk and perceptions of risk
- 1.12–14Water, carbohydrates and lipids
- 1.15–16Cholesterol, diet and energy budgets
2Genes and health10 subtopics
- 2.1Gas exchange surfaces
- 2.2Cell membrane structure
- 2.3–4Transport across membranes
- 2.5Nucleotides, DNA structure and replication
- 2.6–8The genetic code and protein synthesis
- 2.9Amino acids and protein structure
- 2.10Enzymes
- 2.12Mutations
- 2.13–14Inheritance of genes, alleles and cystic fibrosis
- 2.15–16Genetic screening and ethical issues
3Voice of the genome8 subtopics
- 3.1–5Eukaryotic and prokaryotic cell structure
- 3.3Protein processing: rER and Golgi
- 3.6–7Gametes and fertilisation in mammals
- 3.8–9Meiosis and genetic variation
- 3.10Mitosis and the cell cycle
- 3.11–12Stem cells and cell specialisation
- 3.13Cell organisation: tissues, organs and systems
- 3.14–15Phenotype, genotype and the environment
4Biodiversity and natural resources9 subtopics
- 4.1–2Biodiversity and its measurement
- 4.3–4Niche, adaptation and natural selection
- 4.5Hardy-Weinberg and speciation
- 4.6Classification and phylogeny
- 4.7–9Plant cell structure and cellulose
- 4.10–11Plant fibres, xylem and phloem
- 4.12Plant mineral requirements
- 4.13–14Drug testing and antibiotics
- 4.15–16Sustainability and conservation of species
5On the wild side10 subtopics
- 5.1–3Ecosystems, abiotic and biotic factors
- 5.4Ecological succession
- 5.5Chloroplasts and the overall reaction of photosynthesis
- 5.6–7ATP and the light-dependent reactions
- 5.8The Calvin cycle
- 5.10–11Productivity and energy transfer
- 5.12–13Climate change: causes and evidence
- 5.14–16Effects of climate change and predictions
- 5.17–19Evolution, speciation and scientific validation
- 5.20–22Managing climate change and conservation
7Run for your life8 subtopics
- 7.1Muscles, skeleton and movement
- 7.2Muscle contraction
- 7.3–5Aerobic respiration: glycolysis and the Krebs cycle
- 7.6Oxidative phosphorylation
- 7.8–9Control of the heartbeat and cardiac output
- 7.11–12Homeostasis, feedback and thermoregulation
- 7.13–15Exercise, medical technology and ethics
- 7.16Gene control by transcription factors
8Grey matter10 subtopics
- 8.1–3Neurones and nerve impulses
- 8.4Synapses
- 8.5The eye, rods and pupil responses
- 8.6Plant responses to environmental cues
- 8.7–8Coordination and the human brain
- 8.9Brain imaging
- 8.10Brain development, nature and nurture
- 8.13Learning and habituation
- 8.14–15Brain chemistry, drugs and disease
- 8.16–18Genome sequencing, personalised medicine and GMOs