1.1 Introduction to Cells
1.2 Ultrastructure of Cells
1.3 Membrane Structure
1.4 Membrane Transport
1.5 Origin of Cells
1.6 Cell Division
8.1 Metabolism (AHL)
8.2 Cell Respiration (AHL)
8.3 Photosynthesis (AHL)
2.1 Molecules to Metabolism
2.2 Water
2.3 Carbohydrates and Lipids
2.4 Proteins
2.5 Enzymes
2.6 DNA and RNA
2.7 DNA Replication, Transcription, and Translation
2.8 Cell Respiration
2.9 Photosynthesis
9.1 Transport in the Xylem of Plants (AHL)
9.2 Transport in Phloem of Plants (AHL)
9.3 Growth in Plants (AHL)
9.4 Reproduction in Plants (AHL)
3.1 Genes
3.2 Chromosomes
3.3 Meiosis
3.4 Inheritance
3.5 Genetic Modification and Biotechnology
10.1 Meiosis (AHL)
10.2 Inheritance (AHL)
10.3 Gene Pool and Speciation
4.1 Species, Communities, Ecosystems
4.2 Energy Flow
4.3 Carbon Cycling
4.4 Climate Change
11.1 Antibody Production and Vaccination
11.2 Movement (AHL)
11.3 The Kidney and Osmoregulation
11.4 Sexual Reproduction (AHL)
5.1 Evidence of Evolution
5.2 Natural Selection
5.3 Classification
5.4 Cladistics
B.1 Microbiology: organisms in industry
B.2 Biotechnology in agriculture
B.3 Environmental protection
6.1 Digestion and Absorption
6.2 The Blood System
6.3 Defense Against Infectious Diseases
6.4 Gas Exchange
6.5 Neurons and Synapses
6.6 Hormoes, Homeostasis and Reproduction
C1. Species and Communities
C2. Communities and Ecosystem
C3. Impacts of Humans on Ecosystems
C4. Conservation of Biodiversity
C5. Population Ecology (HL)
C6. Nitrogen and Phosphorus Cycles (HL)
7.1 DNA Structure and Replication (AHL)
7.2 Transcription and Gene Expression (AHL)
7.3 Translation (AHL)