Specification points

AQA A-level Biology 7402

70 points in 8 topics, with AQA's codes and titles.

Codes and titles are read by a script from AQA's published specification and have not been checked by a person. What each point covers is in the specification itself: AQA’s specification.

3.1 Biological molecules

3.1.1 Monomers and polymers
3.1.2 Carbohydrates
3.1.3 Lipids
3.1.4 Proteins
3.1.4.1 General properties of proteins
3.1.4.2 Many proteins are enzymes
3.1.5 Nucleic acids are important information-carrying molecules
3.1.5.1 Structure of DNA and RNA
3.1.5.2 DNA replication
3.1.6 ATP
3.1.7 Water
3.1.8 Inorganic ions

3.2 Cells

3.2.1 Cell structure
3.2.1.1 Structure of eukaryotic cells
3.2.1.2 Structure of prokaryotic cells and of viruses
3.2.1.3 Methods of studying cells
3.2.2 All cells arise from other cells
3.2.3 Transport across cell membranes
3.2.4 Cell recognition and the immune system

3.3 Organisms exchange substances with their environment

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

3.4 Genetic information, variation and relationships between organisms

3.4.1 DNA, genes and chromosomes
3.4.2 DNA and protein synthesis
3.4.3 Genetic diversity can arise 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

3.5 Energy transfers in and between organisms (A-level only)

3.5.1 Photosynthesis (A-level only)
3.5.2 Respiration (A-level only)
3.5.3 Energy and ecosystems (A-level only)
3.5.4 Nutrient cycles (A-level only)

3.6 Organisms respond to changes in their internal and external environments (A-level only)

3.6.1 Detecting stimuli and responding (A-level only)
3.6.1.1 Survival and response (A-level only)
3.6.1.2 Receptors (A-level only)
3.6.1.3 Control of heart rate (A-level only)
3.6.2 Nervous coordination (A-level only)
3.6.2.1 Nerve impulses (A-level only)
3.6.2.2 Synaptic transmission (A-level only)
3.6.3 Skeletal muscle contraction (A-level only)
3.6.4 Homeostasis is the maintenance of a stable internal environment (A-level only)
3.6.4.1 Principles of homeostasis and negative feedback (A-level only)
3.6.4.2 Control of blood glucose concentration (A-level only)
3.6.4.3 Control of blood water potential (A-level only)

3.7 Genetics, populations, evolution and ecosystems (A-level only)

3.7.1 Inheritance (A-level only)
3.7.2 Populations (A-level only)
3.7.3 Evolution may lead to speciation (A-level only)
3.7.4 Populations in ecosystems (A-level only)

3.8 The control of gene expression (A-level only)

3.8.1 Gene mutations and protein structure (A-level only)
3.8.2 Gene expression is controlled by a number of features (A-level only)
3.8.2.1 Most of a cell’s DNA is not translated (A-level only)
3.8.2.2 Regulation of transcription and translation (A-level only)
3.8.2.3 Gene expression and cancer (A-level only)
3.8.3 Using genome projects (A-level only)
3.8.4 Gene technologies (A-level only)
3.8.4.1 Recombinant DNA technology (A-level only)
3.8.4.2 Using DNA differences for identification and diagnosis (A-level only)
3.8.4.3 Genetic fingerprinting (A-level only)