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Biology 7401
6 sections available · 27 chapters available
Free Biology 7401 study notes for AQA AS Level students. Each chapter breaks down a key concept with examples and practice prompts you can turn into AI drills in the thinka app.
Biological molecules
Monomers and polymers
Carbohydrates
Lipids
Proteins and enzymes
Nucleic acids: structure and DNA replication
ATP
Water
Inorganic ions
Cells
Cell structure and methods of studying cells
All cells arise from other cells
Transport across cell membranes
Cell recognition and the immune system
Organisms exchange substances with their environment
Surface area to volume ratio
Gas exchange
Digestion and absorption
Mass transport in animals
Mass transport in plants
Genetic information, variation and relationships between organisms
DNA, genes and chromosomes
DNA and protein synthesis
Genetic diversity from mutation and meiosis
Genetic diversity and adaptation
Species and taxonomy
Biodiversity within a community
Investigating diversity
Practical skills
Practical and mathematical skills
Required practical activities 1-6
Experimental design, variables and uncertainty
Mathematical skills in biology
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