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Pearson Edexcel · International A-Level · Biology

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  • 1

    分子、栄養、輸送および健康

    レッスンを視聴
    • 1.1 From molecules to a working circulation
    • 1.1 Water, carbohydrates and food tests
    • 1.2 Lipids: triglycerides and ester bonds
    • 1.3 Why animals need a pump: the heart and vessels
    • 1.4 Haemoglobin and the oxygen journey
    • 1.5 Cardiovascular disease: a chain of events
    • 1.7 Diet, cholesterol and treating CVD
    • 1.8 1.9 Membranes and transport
    • 1.10 Proteins and enzymes
    • 1.11 DNA, replication and the code
    • 1.12 From gene to protein — and when it goes wrong
    • 1.12 Check yourself
  • 2

    細胞、発生、生物多様性および保存

    レッスンを視聴
    • 2.1 From one cell to a living world
    • 2.1 Cell ultrastructure and the microscope
    • 2.2 Meiosis: halving and shuffling
    • 2.3 Mitosis and the cell cycle
    • 2.4 Stem cells and switching genes on
    • 2.5 2.6 Plant transport tissues
    • 2.7 Measuring life: classification and biodiversity
    • 2.8 Niches, Hardy–Weinberg and conservation
    • 2.6 Culturing and growing microbes
    • 2.6 Check yourself
  • 3

    生物学における実習技能 I

    • 3.1 手を使わずに手の能力を試す試験
    • 3.1 変数と公平な実験
    • 3.2 IAS基礎実習9選
    • 3.1 調査計画立案
    • 3.2 3.3 正確な測定の実施
    • 3.3 データ提示:表とグラフ
    • 3.3 解析:勾配と百分率
    • 3.3 評価と拡張
    • 3.3 筆記実習ができないこと
    • 3.3 自己チェック
  • 4

    エネルギー、環境、微生物学および免疫

    レッスンを視聴
    • 4.1 Energy in, energy through, energy lost
    • 4.1 Photosynthesis: two stages, two places
    • 4.2 Productivity and the short food chain
    • 4.3 Ecosystems, populations and succession
    • 4.4 Climate change: evidence, causes, effects
    • 4.5 Evolution and speciation
    • 4.6 Culturing microorganisms
    • 4.7 Pathogens and the body's barriers
    • 4.8 The immune response
    • 4.9 Antibiotics and hospital-acquired infections
    • 4.10 Decomposition, PCR, profiling and time of death
    • 4.10 Check yourself
  • 5

    呼吸、内部環境、調節および遺伝子技術

    レッスンを視聴
    • 5.1 Inside the body: energy, balance and control
    • 5.1 Respiration: four stages, one purpose
    • 5.2 Muscles: the sliding filament
    • 5.3 The heart's own clock and the medulla's override
    • 5.4 Homeostasis and feedback
    • 5.5 The kidney: filter, reabsorb, fine-tune
    • 5.6 Switching genes: transcription factors and epigenetics
    • 5.7 5.8 Nerve impulses and synapses
    • 5.9 Plants: light and growth switches
    • 5.10 The brain and its chemistry
    • 5.11 5.12 Gene technology
    • 5.11 5.12 Check yourself
  • 6

    生物学における実習技能 II

    • 6.2 Planning like a scientist, writing like an examiner
    • 6.2 The IA2 core practicals (Topics 5–8)
    • 6.1 The 16-mark plan, taken apart
    • 6.1 6.2 Sampling a habitat fairly
    • 6.2 Counting the uncountable
    • 6.3 Statistics I: standard deviation
    • 6.3 Statistics II: Spearman's rank and the null hypothesis
    • 6.3 Graphs that decide marks
    • 6.3 What written practice cannot do
    • 6.3 Check yourself

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