피어슨 에덱셀 · International A-Level · Biology

• 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

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• 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

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• 3.1 The paper that tests your hands — without your hands
• 3.1 변수와 공정한 실험
• 3.2 IAS 핵심 실험 9가지
• 3.1 조사 계획 수립
• 3.2 3.3 정직한 측정 수행
• 3.3 데이터 제시: 표와 그래프
• 3.3 분석: 기울기와 백분율
• 3.3 평가 및 확장
• 3.3 서면 연습이 할 수 없는 것
• 3.3 자기 점검하기

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• 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

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• 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

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• 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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