Unit 3 Biology AS Edexcel Current Status Not Enrolled Price Closed Get Started Take this Course Course Content Expand All Introduction to the AS Sample Lesson Course Material Unit 1 Core Practicals DCPIP & Food Tests DCPIP Solving Semi-quantitative food tests solving Membrane Permeability 1 Topic Expand Lesson Content 0% Complete 0/1 Steps Membrane Permeability Core Practical Osmosis 1 Topic Expand Lesson Content 0% Complete 0/1 Steps Osmosis Core Practical Enzymes 1 Topic Expand Lesson Content 0% Complete 0/1 Steps Enzymes Core Practical Unit 2 Core Practicals Microscopy 3 Topics Expand Lesson Content 0% Complete 0/3 Steps Microscopy & Staining Graticule Measurments Drawings Mitosis 3 Topics Expand Lesson Content 0% Complete 0/3 Steps Mitosis Core Practical Mitosis Practice Q Mitosis Classified Solving Plants Physiology 3 Topics Expand Lesson Content 0% Complete 0/3 Steps Investigating Tensile Strength + Effects of mineral Ions Solving Tensile Strength Qs Solving Mineral Ion deficiency Qs