Gene Machine: The Lac Operon Advanced 07/07/2011 Labo Cellule (Cellule Animale) Intermediate 07/26/2011 Neuron Advanced 07/07/2011 Labo Cellule (Cellule Bactérienne) Intermediate 07/26/2011 Labo Cellule (Cellule Fongique) Intermediate 07/26/2011 Gene Expression - The Basics Beginner 09/04/2012 The Citric Acid Cycle Game Intermediate 05/20/2011 The Interactive Microscope Intermediate 05/16/2011 Powers of Ten Intermediate 07/06/2012 Eating & Exercise Intermediate 07/07/2011