Biology A - H420

5个单元 · 25个章节

免费的Biology A - H420学习笔记，专为Cambridge OCR 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。

Foundations in biology

Cell structure
Biological molecules
Nucleotides and nucleic acids
Enzymes
Biological membranes
Cell division, cell diversity and cellular organisation

Exchange and transport

Exchange surfaces
Transport in animals
Transport in plants

Biodiversity, evolution and disease

Communicable diseases, disease prevention and the immune system
Biodiversity
Classification and evolution

Communication, homeostasis and energy

Communication and homeostasis
Excretion as an example of homeostatic control
Neuronal communication
Hormonal communication
Plant and animal responses
Photosynthesis
Respiration

Genetics, evolution and ecosystems

Cellular control
Patterns of inheritance
Manipulating genomes
Cloning and biotechnology
Ecosystems
Populations and sustainability

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