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KS5 Year 12

Biology

KS5 Year 12

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Chapter Overview

Exam Board

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    Practical skillsEcosystems, populations and sustainabilityCloning and biotechnologyManipulating genomesEvolutionPatterns of inheritancePhotosynthesis and respirationAnimal and plant responsesExcretionCommunication and homeostasisClassification and evolutionBiodiversityDisease and the immune systemTransport in plantsTransport in animalsExchange and transportCell division and cellular organisationBiological membranesNucleotides and nucleic acidsBiological moleculesCell structure

82 Lessons

492 Exercises

Practical skills

Experimental design and identifying variables
Experimental design and identifying variables
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    Processing and presenting data
    Processing and presenting data
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      Drawing conclusions and evaluations
      Drawing conclusions and evaluations
      Length

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        Study Tips

        Boost your skills with our essential study tips!

        Tips for studying Biology

        Ecosystems, populations and sustainability

        Energy and ecosystems
        Energy and ecosystems
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          Ecosystems: conservation and preservation
          Ecosystems: conservation and preservation
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            Cloning and biotechnology

            See All (4)
            Natural and artificial plant cloning
            Natural and artificial plant cloning
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              Overview
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              Animal cloning: methods, uses and ethics
              Animal cloning: methods, uses and ethics
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                Biotechnology, microorganisms and fermentation
                Biotechnology, microorganisms and fermentation
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                  Immobilised enzymes in biotechnology
                  Immobilised enzymes in biotechnology
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                    Manipulating genomes

                    See All (6)
                    Common techniques in DNA analysis
                    Common techniques in DNA analysis
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                      DNA profiling: method and uses
                      DNA profiling: method and uses
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                        Genetic engineering: principles and techniques
                        Genetic engineering: principles and techniques
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                          Examples of genetically modified organisms
                          Examples of genetically modified organisms
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                            Gene therapy: somatic, germ line and ethics
                            Gene therapy: somatic, germ line and ethics
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                              Gene sequencing and genome projects
                              Gene sequencing and genome projects
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                                Evolution

                                Types of natural selection
                                Types of natural selection
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                                  Populations: The Hardy-Weinberg principle
                                  Populations: The Hardy-Weinberg principle
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                                    Evolution: variation, selection and speciation
                                    Evolution: variation, selection and speciation
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                                      Patterns of inheritance

                                      Body plan development and Hox genes
                                      Body plan development and Hox genes
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                                        Factors impacting genetic diversity
                                        Factors impacting genetic diversity
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                                          Inheritance: monohybrid, dihybrid and co-dominance
                                          Inheritance: monohybrid, dihybrid and co-dominance
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                                            Photosynthesis and respiration

                                            See All (4)
                                            Stages of photosynthesis and chloroplast structure
                                            Stages of photosynthesis and chloroplast structure
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                                              Factors affecting the rate of photosynthesis
                                              Factors affecting the rate of photosynthesis
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                                                Aerobic respiration
                                                Aerobic respiration
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                                                  Anaerobic respiration in mammals, plants and yeast
                                                  Anaerobic respiration in mammals, plants and yeast
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                                                    Animal and plant responses

                                                    The structure of the nervous system
                                                    The structure of the nervous system
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                                                      Skeletal muscles and muscle contraction
                                                      Skeletal muscles and muscle contraction
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                                                        Chemical control in plants
                                                        Chemical control in plants
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                                                          Excretion

                                                          See All (4)
                                                          Liver structure, function and adaptation
                                                          Liver structure, function and adaptation
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                                                            Kidney structure, function and adaptation
                                                            Kidney structure, function and adaptation
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                                                              Control of blood water potential
                                                              Control of blood water potential
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                                                                Kidney failure and detecting chemicals
                                                                Kidney failure and detecting chemicals
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                                                                  Communication and homeostasis

                                                                  See All (7)
                                                                  Mammalian sensory receptors
                                                                  Mammalian sensory receptors
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                                                                    Transmission of nerve impulses
                                                                    Transmission of nerve impulses
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                                                                      Synaptic transmission
                                                                      Synaptic transmission
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                                                                        The endocrine system and adrenal glands
                                                                        The endocrine system and adrenal glands
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                                                                          Homeostasis and negative feedback
                                                                          Homeostasis and negative feedback
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                                                                            Control of blood glucose concentration
                                                                            Control of blood glucose concentration
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                                                                              Types of diabetes and treatments
                                                                              Types of diabetes and treatments
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                                                                                Classification and evolution

                                                                                See All (4)
                                                                                Classification: phylogeny and taxonomy
                                                                                Classification: phylogeny and taxonomy
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                                                                                  Types of variation, causes and calculations
                                                                                  Types of variation, causes and calculations
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                                                                                    Adaptations: behavioural, physiological and anatomical
                                                                                    Adaptations: behavioural, physiological and anatomical
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                                                                                      Evolution: variation, selection and speciation
                                                                                      Evolution: variation, selection and speciation
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                                                                                        Biodiversity

                                                                                        See All (4)
                                                                                        Biodiversity: The index of diversity and agriculture
                                                                                        Biodiversity: The index of diversity and agriculture
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                                                                                          Measuring genetic diversity
                                                                                          Measuring genetic diversity
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                                                                                            Importance of maintaining biodiversity
                                                                                            Importance of maintaining biodiversity
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                                                                                              In-situ and ex-situ conservation of biodiversity
                                                                                              In-situ and ex-situ conservation of biodiversity
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                                                                                                Disease and the immune system

                                                                                                See All (5)
                                                                                                Common pathogens and communicable diseases
                                                                                                Common pathogens and communicable diseases
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                                                                                                  Human and plant defences against pathogens
                                                                                                  Human and plant defences against pathogens
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                                                                                                    The immune system
                                                                                                    The immune system
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                                                                                                      Immunity and vaccines
                                                                                                      Immunity and vaccines
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                                                                                                        Types of antibiotics and their action
                                                                                                        Types of antibiotics and their action
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                                                                                                          Transport in plants

                                                                                                          Transport in plants - xylem
                                                                                                          Transport in plants - xylem
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                                                                                                            Transport in plants - phloem
                                                                                                            Transport in plants - phloem
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                                                                                                              Transport in animals

                                                                                                              See All (4)
                                                                                                              Mammalian circulatory system and blood vessels
                                                                                                              Mammalian circulatory system and blood vessels
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                                                                                                                Heart structure and the cardiac cycle
                                                                                                                Heart structure and the cardiac cycle
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                                                                                                                  Heart rate regulation and electrocardiograms
                                                                                                                  Heart rate regulation and electrocardiograms
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                                                                                                                    Haemoglobin and the Bohr effect
                                                                                                                    Haemoglobin and the Bohr effect
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                                                                                                                      Exchange and transport

                                                                                                                      Surface area to volume ratio and gas exchange
                                                                                                                      Surface area to volume ratio and gas exchange
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                                                                                                                        Gas exchange in fish, insects, plants and humans
                                                                                                                        Gas exchange in fish, insects, plants and humans
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                                                                                                                          Ventilation in fish and insects
                                                                                                                          Ventilation in fish and insects
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                                                                                                                            Cell division and cellular organisation

                                                                                                                            The cell cycle and mitosis
                                                                                                                            The cell cycle and mitosis
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                                                                                                                              Meiosis, genetic variation and mutations
                                                                                                                              Meiosis, genetic variation and mutations
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                                                                                                                                Stem cells: Types and use in medicine
                                                                                                                                Stem cells: Types and use in medicine
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                                                                                                                                  Biological membranes

                                                                                                                                  See All (4)
                                                                                                                                  Cell membrane structure and permeability
                                                                                                                                  Cell membrane structure and permeability
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                                                                                                                                    Simple and facilitated diffusion
                                                                                                                                    Simple and facilitated diffusion
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                                                                                                                                      Osmosis and investigating water potential
                                                                                                                                      Osmosis and investigating water potential
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                                                                                                                                        Active transport and co-transport
                                                                                                                                        Active transport and co-transport
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                                                                                                                                          Nucleotides and nucleic acids

                                                                                                                                          See All (4)
                                                                                                                                          Nucleic acids: DNA and RNA
                                                                                                                                          Nucleic acids: DNA and RNA
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                                                                                                                                            DNA replication
                                                                                                                                            DNA replication
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                                                                                                                                              DNA, genes and chromosomes
                                                                                                                                              DNA, genes and chromosomes
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                                                                                                                                                RNA, protein synthesis and the genetic code
                                                                                                                                                RNA, protein synthesis and the genetic code
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                                                                                                                                                  Biological molecules

                                                                                                                                                  See All (7)
                                                                                                                                                  The properties and functions of water
                                                                                                                                                  The properties and functions of water
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                                                                                                                                                    Carbohydrates: types, structure and function
                                                                                                                                                    Carbohydrates: types, structure and function
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                                                                                                                                                      The structure and function of lipids
                                                                                                                                                      The structure and function of lipids
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                                                                                                                                                        The structure and function of proteins
                                                                                                                                                        The structure and function of proteins
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                                                                                                                                                          Inorganic ions: iron, hydrogen, sodium and phosphate
                                                                                                                                                          Inorganic ions: iron, hydrogen, sodium and phosphate
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                                                                                                                                                            Enzymes: activation energy, properties and structure
                                                                                                                                                            Enzymes: activation energy, properties and structure
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                                                                                                                                                              Factors affecting enzyme activity
                                                                                                                                                              Factors affecting enzyme activity
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                                                                                                                                                                Cell structure

                                                                                                                                                                Eukaryotic cell structures
                                                                                                                                                                Eukaryotic cell structures
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                                                                                                                                                                  Prokaryotic cell structures and viruses
                                                                                                                                                                  Prokaryotic cell structures and viruses
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                                                                                                                                                                    Methods of studying cells
                                                                                                                                                                    Methods of studying cells
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                                                                                                                                                                      Popular Chapters in All Year Groups

                                                                                                                                                                      Global challenges

                                                                                                                                                                      Key concepts

                                                                                                                                                                      Inheritance, variation and evolution

                                                                                                                                                                      Practical skills

                                                                                                                                                                      Exchange and transport

                                                                                                                                                                      Biology practicals

                                                                                                                                                                      Biological molecules

                                                                                                                                                                      Homeostasis and response

                                                                                                                                                                      Substance exchange

                                                                                                                                                                      Genetics

                                                                                                                                                                      Biodiversity and variation

                                                                                                                                                                      Cells

                                                                                                                                                                      Working scientifically

                                                                                                                                                                      Microbiology and pathogens

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