Unit 1 -  Biological Molecules

• Monosaccharides & Disaccharides
• Polysaccharides
• Lipids & Phospholipids
• Amino Acids & Proteins
• Enzymes
• Factors Affecting Enzymes
• Structure of DNA & RNA

Unit 3 - Exchanges of Substances with the Environment

• Surface to Area Volume Ratio
• Human Gaseous Exchange & Lung Disease
• Fish, Insect and Plant Gaseous Exchange
• Haemoglobin and the Circulatory System
• Heart Structure and Heart Disease
• Mass Transport in Plants

Unit 4 - Genetic Variation and Information

• Genes and Chromosomes
• Protein Synthesis
• Meiosis
• Mutation and Genetic Variation
• Natural Selection

Unit 5 The Transfer of Energy

• The Light Dependent Reactions of Photosynthesis
• The Light Independent Reactions of Photosynthesis
• Limiting Factors and Photosynthesis Practicals
• Respiration: Glycolysis and Link Reaction
• Respiration: Krebs Cycle
• Respiration: The Electron Transfer Chain
• Anaerobic Respiration & Respiration Experiments
• Biomass and Gross Primary Productivity
• The Nitrogen Cycle & Phosphate Cycle

Unit 6 - Responding to Change

• Responses in plants
• Taxes & Kineses

Unit 7 - Populations, Evolutions and Genetics

• Definitions, Monohybrid, Dihybrid and Codominance
• Sex Linkage, Autosomal Linkage and Epistasis
• Hardy Weinberg & Allele Frequency
• Variation, Evolution and Speciation
• Populations in Ecosystems
• Succession

Unit 8 - Control of Expression

• Nucleic Acids Recap from Year 1
• Mutations and Cancer
• Protein Synthesis Recap and Transcription Factors
• Stem Cells, Epigenetics and siRNA
• Recombinant DNA Technology
• Uses of Genetic Techniques ( Diagnosis, Identification, and Research)