Biology_Edexcel_A-snab_Alevel

the-circulatory-system 8 主题

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the-need-for-a-circulatory-system

the-importance-of-water-in-transport

mammalian-heart-structure-and-function

blood-vessels-structure-and-function

cardiac-cycle

investigating-heart-rate

atherosclerosis

blood-clotting

diet-and-health 11 主题

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cardiovascular-disease

interpreting-data-on-risk-factors

treatment-of-cvd

energy-budgets-and-diet

lipids-and-ester-bonds

reducing-risk-factors-of-cvd

practical-vitamin-c-content

gas-exchange-cell-membranes-and-transport 8 主题

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properties-of-gas-exchange-surfaces

ficks-law-of-diffusion

the-mammalian-lung

cell-membranes

practical-investigating-membrane-permeability

diffusion-and-facilitated-diffusion

active-transport

osmosis

nucleic-acids 3 主题

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nucleotides-and-phosphodiester-bonds

dna-structure

rna-structure

proteins 10 主题

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transcription

translation

nature-of-the-genetic-code

amino-acids-and-peptide-bonds

levels-of-protein-structure

globular-proteins-structure-and-function

fibrous-proteins-structure-and-function

the-role-of-enzymes

mode-of-enzyme-action

enzyme-and-substrate-concentrations

inheritance 7 主题

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dna-replication

mutations

inheritance-key-terms

cell-structure-and-organisation 7 主题

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cell-theory

eukaryotic-cells

prokaryotic-cells

organisation-of-cells

microscopy

magnification-calculations

recognising-organelles

cell-division 3 主题

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the-cell-cycle

mitosis

practical-identifying-mitosis-in-plant-cells

reproduction-and-inheritance 4 主题

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mammalian-gametes

fertilisation-in-mammals

genes-and-linkage

meiosis-source-of-genetic-variation

differentiation-and-variation 5 主题

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stem-cells

stem-cells-in-medicine

cell-differentiation

epigenetics

phenotypes-and-variation

biodiversity 9 主题

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the-variety-of-life

measuring-biodiversity-within-a-habitat

comparing-biodiversity-between-habitats

ecological-niches-and-adaptations

natural-selection

hardy-weinberg-equation

reproductive-isolation

classification

conservation-of-biodiversity

resources-from-plants 10 主题

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plant-cell-structure

plant-stems

importance-of-water-and-inorganic-ions-to-plants

starch-and-cellulose-structure-and-function

plant-fibres

practical-identifying-tissue-types-within-stems

tensile-strength-plant-fibres

development-of-drug-testing

antimicrobial-properties-of-plants

sustainability-and-plant-materials

ecosystems-and-energy-transfer 7 主题

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ecosystems-key-terms

biotic-and-abiotic-factors

niches-distribution-and-abundance

practical-determining-distribution-and-abundance

stages-of-succession

net-primary-productivity

calculating-the-efficiency-of-biomass-and-energy-transfers

photosynthesis 7 主题

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photosynthesis-an-overview

atp-as-a-supply-of-energy

chloroplasts-structure-and-function

light-dependent-reactions

light-independent-reactions

products-of-photosynthesis

practical-the-hill-reaction

climate-change 10 主题

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the-effects-of-climate-change

temperature-and-enzyme-activity

practical-temperature-and-development-of-organisms

climate-change-and-the-scientific-community

carbon-cycle-and-reduction-of-atmospheric-carbon-dioxide

reducing-climate-change

introduction-to-climate-change

evidence-for-the-causes-of-climate-change

the-greenhouse-effect

models-of-future-climate-change

evolution 3 主题

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evolution-by-natural-selection

speciation

evidence-of-evolution-and-the-scientific-community

forensics 3 主题

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determining-the-time-of-death

micro-organisms-decomposition-and-nutrient-recycling

dna-profiling

microorganisms-and-immunity 11 主题

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structure-of-bacteria-and-viruses

entry-routes-of-pathogens

non-specific-immune-responses

antigens-and-antibodies

t-cell-response

b-cell-response

post-transcriptional-modification

types-of-immunity

evolutionary-race-between-pathogens-and-host

types-of-antibiotics

limiting-antibiotic-resistance

muscles-and-movement 3 主题

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movement-of-the-skeleton

muscle-fibres

muscle-contraction

respiration 7 主题

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respiration-an-overview

stages-of-respiration

glycolysis

link-reaction-and-krebs-cycle

oxidative-phosphorylation

practical-investigating-the-rate-of-respiration

anaerobic-respiration

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