This is a summary of every learning objective (6.1-6.15) for Topic 6 IIF, on the Edexcel Biology A (Salters-Nuffield) specification. I have arranged my notes answering each objective, and have given definitions, core practical information, and equations, based from the textbook. These notes include Core Practicals 14-15, and includes notes on determining time of death, gel electrophoresis, TB and HIV, pathogens, and more. I used these notes for my Biology exams in 2022 and achieved an A*, an...