AH Learning Objectives Unit 1 1.1 Lab Techniques 1.2 Proteins 1 1.2 Proteins 2 1.3 Cell Membranes 1.4 Communication and signalling (1) 1.4 Communication and signalling (2) 1.5 Protein Control of Cell Division Unit 2 2.1 Field Techniques 19 2.2 Evolution 19 Objectives 2 – Variation and sexual reproduction Objectives 3 – Sex-determination 2.4 Sex and Behaviour Objectives 5 – Parasitism Unit 3