Biology study guides

An overview of Topic 1 of Edexcel A-Level Biology B (Salters-Nuffield, 9BN0), covering biological molecules, the heart and circulation, cardiovascular disease and diet, and gas exchange and cell transport, and how the topic is examined.

An overview of Topic 2 of Edexcel A-Level Biology B (Salters-Nuffield, 9BN0), covering DNA and protein synthesis, gene mutation and cystic fibrosis, enzymes, and gene technology and screening, and how the topic is examined.

An overview of Topic 3 of Edexcel A-Level Biology B (Salters-Nuffield, 9BN0), covering cell structure and the cell cycle, meiosis and fertilisation, stem cells and differentiation, and gene expression and epigenetics, and how the topic is examined.

An overview of Topic 4 of Edexcel A-Level Biology B (Salters-Nuffield, 9BN0), covering biodiversity and classification, natural selection and adaptation, plant structure and economic use, and conservation, and how the topic is examined.

An overview of Topic 5 of Edexcel A-Level Biology B (Salters-Nuffield, 9BN0), covering photosynthesis, respiration, muscles and movement, nervous and hormonal coordination, and homeostasis and the kidney, and how the topic is examined.

An overview of Topic 6 of Edexcel A-Level Biology B (Salters-Nuffield, 9BN0), covering microorganisms and disease, the immune response, ecosystems and succession, and populations and sustainability, and how the topic is examined.