AQA A-level Biology

What is included

What this course covers

• Topic 1 — Biological molecules

  • 1.1 – Monomers and polymers
  • 1.2 – Carbohydrates
  • 1.3 – Lipids
  • 1.4 – Proteins
  • 1.5 – Nucleic acids are important information-carrying molecules
  • 1.6 – ATP
  • 1.7 – Water
  • 1.8 – Inorganic ions

• Topic 2 — Cells

  • 2.1 – Cell structure
  • 2.2 – All cells arise from other cells
  • 2.3 – Transport across cell membranes
  • 2.4 – Cell recognition and the immune system

• Topic 3 — Organisms exchange substances with their environment

  • 3.1 – Surface area to volume ratio
  • 3.2 – Gas exchange
  • 3.3 – Digestion and absorption
  • 3.4 – Mass transport

• Topic 4 — Genetic information, variation and relationships between organisms

  • 4.1 – DNA, genes and chromosomes
  • 4.2 – DNA and protein synthesis
  • 4.3 – Genetic diversity can arise as a result of mutation or during meiosis
  • 4.4 – Genetic diversity and adaptation
  • 4.5 – Species and taxonomy
  • 4.6 – Biodiversity within a community
  • 4.7 – Investigating diversity

• Topic 5 — Energy transfers in and between organisms

  • 5.1 – Photosynthesis
  • 5.2 – Respiration
  • 5.3 – Energy and ecosystems
  • 5.4 – Nutrient cycles

• Topic 6 — Organisms respond to changes in their internal and external environments

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

• Topic 7 — Genetics, populations, evolution and ecosystems

  • 7.1 – Inheritance
  • 7.2 – Populations
  • 7.3 – Evolution may lead to speciation
  • 7.4 – Populations in ecosystems

• Topic 8 — The control of gene expression

  • 8.1 – Alteration of the sequence of bases in DNA can alter the structure of proteins
  • 8.2 – Gene expression is controlled by a number of features
  • 8.3 – Using genome projects
  • 8.4 – Gene technologies: the study and alteration of gene function for industrial and medical processes

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