Lessons

AQA A-Level Biology Lessons

Each subtopic taught step by step, with its flashcards, mind map and a quick quiz.

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3.1.1–3Monomers, carbohydrates and lipids4 subtopics
3.1.4Proteins and enzymes3 subtopics
3.1.5–8Nucleic acids, ATP, water and inorganic ions5 subtopics
3.2.1–2Cell structure and division5 subtopics
3.2.3Transport across cell membranes4 subtopics
3.2.4Cell recognition and the immune system5 subtopics
3.3.1–3Surface area, gas exchange and digestion5 subtopics
3.3.4Mass transport5 subtopics
3.4.1–2DNA, genes and protein synthesis3 subtopics
3.4.3Genetic diversity and mutation3 subtopics
3.4.4–5Genetic diversity, adaptation and taxonomy3 subtopics
3.4.6–7Biodiversity3 subtopics
3.5.1Photosynthesis4 subtopics
3.5.2Respiration4 subtopics
3.5.3–4Energy transfer and nutrient cycles in ecosystems5 subtopics
3.6.1Responding to stimuli3 subtopics
3.6.2–3Nervous coordination and muscle contraction4 subtopics
3.6.4Homeostasis3 subtopics
3.7.1Inheritance4 subtopics
3.7.2–3Populations and evolution4 subtopics
3.7.4Populations in ecosystems5 subtopics
3.8.1–2Gene expression4 subtopics
3.8.3–4Genome projects and gene technologies5 subtopics