UPDATES · FAQ

bio letters

IB biology resources

NOTES

QUESTION BANK

MOCK EXAMS

A1.1 Water [UPDATED]
A1.2 Nucleic acids [UPDATED]
A2.1 Origin of cells
A2.2 Cell Structure
A2.3 Viruses
A3.1 Diversity of organisms [NEW]
A3.2 Classification and cladistics [NEW]
A4.1 Evolution and speciation
A4.2 Conservation of biodiversity
B1.1 Carbohydrates and lipids [UPDATED]
B1.2 Proteins [UPDATED]
B2.1 Membranes and membrane transport
B2.2 Organelles and compartmentalization
B2.3 Cell specialization
B3.1 Gas exchange
B3.2 Transport
B3.3 Muscle and motility
B4.1 Adaptation to environment
B4.2 Ecological niches
C1.1 Enzymes and metabolism
C1.2 Cell respiration
C1.3 Photosynthesis
C2.1 Chemical signalling
C2.2 Neural signalling
C3.1 Integration of body systems
C3.2 Defence against disease
C4.1 Populations and communities
C4.2 Transfer of energy and matter
D1.1 DNA Replication
D1.2 Protein synthesis
D1.3 Mutation and gene editing
D2.1 Cell and nuclear division [NEW]
D2.2 Gene expression
D2.3 Water potential [NEW]
D3.1 Reproduction
D3.2 Inheritance
D3.3 Homeostasis
D4.1 Natural selection
D4.2 Stability and change [NEW]
D4.3 Climate change [NEW]

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