KS5 · AQA A-level Biology
Biology Revision
Explore molecular and cellular biology, exchange, inheritance, energy, coordination, ecosystems and gene technologies.
Biology topics
8 topicsBiological molecules
Molecular structure and function, enzymes, nucleic acids, ATP, water, ions and biochemical methods.
Cells
Cell ultrastructure, microscopy, division, membrane transport, immune responses and practical investigations.
Exchange and transport
Gas exchange, digestion, haemoglobin, circulation, tissue fluid and transport through plants.
Genetic information and diversity
Gene expression, mutation, meiosis, selection, classification, biodiversity and measuring variation.
Energy transfers
Photosynthesis, respiration, production budgets, decomposition and nitrogen and phosphorus cycling.
Responses and homeostasis
Plant and animal responses, nerve and muscle function, feedback, glucose control and kidney water balance.
Inheritance, populations and ecosystems
Inheritance, statistical models, population genetics, evolution, ecological sampling and succession.
Gene expression and technologies
Regulation, stem cells, cancer, genome interpretation, recombinant DNA, screening and synoptic reasoning.
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