Cellmembrane

See
 * Surface area to volume ratio -Why are cells so small?**

Complete **Biozone** pages 71-72 Limitation to cell size Click here to find out about ratio.

[] || media type="youtube" key="xuG4ZZ1GbzI" height="315" width="560" ||
 * **What is diffusion?**

Powerpoint || || [] || media type="youtube" key="2Q1i_7zQGA4" width="560" height="315" ||
 * **Cell membrane structure**
 * Fluid Mosaic Model of Cell Membrane || media type="custom" key="22765664" ||
 * Cellmembrane, ligands,Receptors and phospholipids
 * **Movement across**
 * the cell membrane PowerPoint** || [[file:Movementinmembranes_2013.pdf]] ||

Another cell membrane PowerPoint found at: [|www.worldofteaching.com] **  **

Movement Across the Membrane
Animation: How osmosis works[|http://highered.mcgraw-hill.com/sites/0072495855/student_view0/chapter2/animation__] Definition for hypertonic, hypotonic and isotonic ** **   || [] [] || [] Examples of exocytosis and endocytosis [] ||
 * Fluid mosaic Model || [] ||
 * Diffusion || [] ||
 * Osmosis || __ How_osmosis_works.html __[]
 * Facilitated Diffusion || [] ||
 * Active Diffusion || Channel Proteins e.g Na / K pumps
 * Exocytosis and Endcytosis || A simple clip explaining exocytosis and endocytosis

Summary worksheet