Cells and biological molecules 

• 3.2.1 – Cell structure 
• 3.1.1 – Monomers and polymers 
• 3.1.2 – Carbohydrates 
• 3.1.3 – Lipids 
• 3.1.4 – Proteins 
• 3.1.5 – Nucleic Acids 
• 3.1.6 – ATP 
• 3.1.7 – Water 
• 3.1.8 – Inorganic Ions 
• 3.2.2 – All cells arise from other cells 
• 3.2.3 – Transport across cell membranes 
• 3.2.4 – Immune System 

p 58-76 

p 4-7 

p 8-15  

p 16-18 

p 19-22 

p 36-46 

p 46-48 

p 48-51 

p 49 

p 77-82 

p 84-99 

p 102-126 

Genetic information, variation and relationships between organisms 

• 3.4.1 DNA, genes and chromosomes 
• 3.4.2 Protein Synthesis 
• 3.4.3 Genetic diversity can rise as a result of mutation or during meiosis 
• 3.4.4 Genetic diversity and adaptation 
• 3.4.5 Species and taxonomy 
• 3.4.6 Biodiversity within a community 
• 3.4.7 Investigating diversity 

p 202 – 207  

p 211 – 217 

p 220 – 229 

p 229 – 235 

p 237 – 243 

p 243 – 248 

p 249 – 257 

• 3.7.1 Inheritance 
• 3.7.2 Populations 
• 3.7.3 Evolution may lead to speciation 
• 3.7.4 Populations in ecosystem 

p 152 – 182 

p 184 – 189 

p 190 – 196 

p 202 – 230 

• 3.5.1 Photosynthesis 
• 3.5.2 Respiration 
• 3.5.3 Energy and Ecosystems 
• 3.5.4 Nutrient cycles  

p 2 – 17 

p 19 – 32 

p 34 – 36 

p 36 – 56 

• 3.3.1 – Surface area to volume ratio 
• 3.3.2 – Gas exchange 
• 3.3.3 – Digestion and absorption 
• 3.3.4.1 – Mass transport in animals 
• 3.3.4.2 – Mass transport in plants  

p 128 – 130 

p 130 – 150 

p 151 – 158 

p 161 – 182 

p 182 – 198 

• 3.6.1 – Stimuli, both internal and external are detected and lead to a response 
• 3.6.2 – Nervous coordination 
• 3.6.3 – Skeletal muscles are stimulated to contract by nerves and act as effectors 
• 3.6.4 – Homeostasis is the maintenance of a stable internal environment 

p 60 – 80 

p 82 – 102 

p 103 – 112 

p 114 – 148 

• 3.8.1 – Alteration of the sequence of bases in DNA can alter the structure of proteins 
• 3.8.2 – Gene expression is controlled by a number of features 
• 3.8.3 – Using genome projects 
• 3.8.4 – Gene technologies allow the study and alteration of gene function allowing a better understanding of organism function and the design of new industrial and medical processes 

p 249 – 260 

p 261 – 265 

p 266 – 296