Biology Revision

    Discover the science of life, from cells to ecosystems and human biology.

    AQA, Edexcel, OCR, WJEC aligned
    37 topics covered
    Exam tips & practice Qs
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    Explore Biology Topics

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    Paper 1: Biological Molecules; Cells; Organisms Exchange Substances; Genetic Information

    120 mins
    91 marks

    Topics 1-4

    Paper 2: Energy Transfers; Organisms Respond to Changes; Genetics, Populations and Ecosystems; Gene Expression

    120 mins
    91 marks

    Topics 5-8

    Paper 3: Synoptic and Practical

    120 mins
    78 marks

    All Topics (1-8)

    Paper 1

    Paper 1: Biological Molecules; Cells; Organisms Exchange Substances; Genetic Information

    Biological Molecules

    Monomers and Polymers
    Biological Molecules
    Carbohydrates
    Biological Molecules
    Lipids
    Biological Molecules
    Proteins
    Biological Molecules
    Nucleic Acids
    Biological Molecules
    ATP
    Biological Molecules
    Water
    Biological Molecules
    Inorganic Ions
    Biological Molecules

    Cells

    Cell Structure
    Cells
    All Cells Arise from Other Cells
    Cells
    Transport Across Cell Membranes
    Cells
    Cell Recognition and the Immune System
    Cells

    Organisms Exchange Substances

    Surface Area to Volume Ratio
    Organisms Exchange Substances
    Gas Exchange
    Organisms Exchange Substances
    Digestion and Absorption
    Organisms Exchange Substances
    Mass Transport in Animals
    Organisms Exchange Substances
    Mass Transport in Plants
    Organisms Exchange Substances

    Genetic Information and Variation

    DNA, Genes and Chromosomes
    Genetic Information and Variation
    DNA and Protein Synthesis
    Genetic Information and Variation
    Genetic Diversity
    Genetic Information and Variation
    Biodiversity
    Genetic Information and Variation

    Energy Transfers in Organisms

    Photosynthesis
    Energy Transfers in Organisms
    Respiration
    Energy Transfers in Organisms
    Energy and Ecosystems
    Energy Transfers in Organisms
    Nutrient Cycles
    Energy Transfers in Organisms

    Control of Gene Expression

    Alteration of the Sequence of Bases
    Control of Gene Expression
    Gene Expression and Cancer
    Control of Gene Expression
    Using Genome Projects
    Control of Gene Expression
    Gene Technologies
    Control of Gene Expression
    Paper 2

    Paper 2: Energy Transfers; Organisms Respond to Changes; Genetics, Populations and Ecosystems; Gene Expression

    Organisms Respond to Changes

    Stimuli and Responses
    Organisms Respond to Changes
    Nervous Coordination
    Organisms Respond to Changes
    Skeletal Muscle Contraction
    Organisms Respond to Changes
    Homeostasis
    Organisms Respond to Changes

    Genetics, Populations and Ecosystems

    Inheritance
    Genetics, Populations and Ecosystems
    Populations
    Genetics, Populations and Ecosystems
    Evolution
    Genetics, Populations and Ecosystems
    Populations in Ecosystems
    Genetics, Populations and Ecosystems

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