Cell structure Cells and organelles • Prokaryotes and eukaryotes • Organelles • Animal cells • Functions of organelles Organelles working together • Protein production • The cytoskeleton Prokaryotic cells • Prokaryotes vs eukaryotes How microscopes work • Magnification and resolution of microscopes (maths skills – calculating magnification) (maths skills – millimetre, micrometre, nanometre convert) • Types of microscopes • Types of electron microscope • Interpretation of electron micrographs • Comparing types of microscope Using microscopes • Microscopes what you need to know • How to prepare a microscopic slide • How to use a light microscope (maths skills – calibrating an eyepiece graticule to the stage) Section summary Biological molecules Water • Functions of water • Structure of water • Properties of water Macromolecules and polymers • What are macromolecules • What are polymers • Making polymers Carbohydrates • What are carbohydrates made from • Polysaccharide formation • Functions of carbohydrates Section summary