A-LEVEL Exam A-LEVEL Biology

A-LEVEL Biology

3 Subject Content

3.1 Biological molecules

3.2 Cells

3.3 Organisms exchange substances with their environment

3.4 Genetic information, variation and relationships between organisms

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

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

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

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

AO1 Demonstrate knowledge and understanding of scientific ideas, processes, and techniques.

AO2 Apply knowledge and understanding of scientific ideas, processes, techniques and procedures: - in a theoretical context - in a practical context - when handling qualitative data - when handling quantitative data

AO3 Analyse, interpret and evaluate scientific information, ideas and evidence, including in relation to issues, to: - make judgements and reach conclusions - develop and refine practical design and procedures.

3.1.2 Carbohydrates

3.1.4.1 General properties of proteins

3.1.4.2 Many proteins are enzymes

3.1.6 ATP

3.1.7 Water

3.1.8 Inorganic ions

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

3.3.1 Surface area to volume ratio

3.3.3 Digestion and absorption

3.3.4.1 Mass transport in animals

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

3.5.1 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)

3.6.1.1 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)

3.6.2.1 Nerve impulses (A-level only)

3.6.2.2 Synaptic transmission (A-level only)

3.6.3 Skeletal muscles are stimulated to contract by nerves and act as effectors (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)

3.7.1 Inheritance (A-level only)

3.7.2 Lingua e Cultura Straniera 1 - Inglese

3.7.3 Evolution may lead to speciation (A-level only)

3.7.4 Populations in ecosystems (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)

3.8.4.1 Recombinant DNA technology (A-level only)