A Level Edexcel Biology B: Topic 6- Microbiology and Pathogens. A* level full set of notes on each of the specification points. Includes: Summarised exam board endorsed textbook notes Summarised revision guide notes Past paper questions and mark schemes Notes from class Flashcards from Physics and Maths tutor Notes are colour-coded, include pictures/diagrams and are organised in order of specification points. All you need to get an A* in A Level biology.