In this document, the chapter on nucleic acids has been summarised. The notes cover the structure and functions of DNA and RNA as well as ATP, water and its properties, and inorganic ions including phosphate, iron, sodium, and hydrogen ions.

The first chapter of AQA A-Level Biology: Biological Molecules is summarised in this pdf. These notes were produced in accordance with the updated AQA A-Level Biology Specification. The chapter notes contain all the information you need to understand about Carbohydrates (Starch, Glycogen and Cellulose) Proteins (Primary, Secondary, Tertiary and Quaternary structures) Lipids (Triglycerides and Phospholipids) Enzymes (Factors affecting enzyme-controlled reactions) Along with pictures and diagrams to make the information easier to grasp.