Signatures+of+Life 

1. The Chemical Nature of Cells 1a. Carbohydrates 1b. Lipids 1c. Proteins 1d. Nucleic acids 2. Membranes and cell organelles 3. Biochemical processes in cells 4. Molecular Biology in medicine
 * Area of Study 1: Molecules of Life**

5. Co-ordination and regulation: Endocrine systems 5a. Plant Hormones 6. Co-ordination and regulation: nervous systems 7. Infection and Disease 8. Immunity: Defence against disease
 * Area of Study 2: Detecting and Responding**