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Biology

4个单元

Unity and diversity

Water
Nucleic acids
Origins of cells (HL)
Cell structure
Viruses (HL)
Diversity of organisms
Classification and cladistics (HL)
Evolution and speciation
Conservation of biodiversity

Form and function

Carbohydrates and lipids
Proteins
Membranes and membrane transport
Organelles and compartmentalization
Cell specialization
Gas exchange
Transport
Muscle and motility (HL)
Adaptation to environment
Ecological niches

Interaction and interdependance

Enzymes and metabolism
Cell respiration
Photosynthesis
Chemical signalling (HL)
Neural signalling
Integration of body systems
Defence against disease
Populations and communities
Transfer of energy and matter

Continuity and change

DNA replication
Protein synthesis
Mutations and gene editing
Cell and nuclear division
Gene expression (HL)
Water potential
Reproduction
Inheritance
Homeostasis
Natural selection
Sustainability and change
Climate change

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