Biology (9610)
4个单元 · 40个章节
免费的Biology (9610)学习笔记，专为Oxford AQA International A-level学生准备。下列每个章节都涵盖一个重点主题，附有例题与练习提示，可在 thinka 应用中延伸练习。
The diversity of living organisms
Biological molecules
Cells and cell structure
Biochemical reactions in cells are controlled by enzymes
Transport into and out of cells
Gas exchange and the transport of oxygen in living organisms
Living organisms vary
DNA, genes and chromosomes
Protein synthesis
Genetic diversity may arise by meiosis
Species and taxonomy
Biodiversity within a community
Biological systems and disease
The causes of disease: pathogens, lifestyle and genes
Digestion and abs
Cholera
HIV as an example of a human disease caused by a virus
The defensive functions of mammalian blood
The circulation of blood and the structure of the mammalian heart
Heart disease may be associated with specific risk factors
Mass transport systems in plants
The role of aphids in spreading plant viruses
Cells divide by binary fission and mitosis
Mutation and cancer
Populations and genes
The effect of biotic and abiotic factors on populations
Photosynthesis
Respiration
Energy transfer through ecosystems
Nutrient cycles
Inheritance
Allele frequencies in populations
Evolution may lead to speciation
Control
Control systems involve stimulus and response
Receptors
Nerve impulses and synaptic transmission
Skeletal muscles as effectors
Control systems in plants
Homeostasis and negative feedback
Hormones and the control of blood glucose concentration
Control of heart rate
Regulation of transcription and translation
Recombinant DNA technology
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