IB Biology Practical Investigations/The Chemistry of Life/Chemsketch - modeling biological molecules
For this activity you need to download and install Chemsketch 10.0 and the tutorial activity.
Get Chemsketch here: 
Get the tutorial activity here:  (Or find it on the OCC Biology section)
Students will take about 45 minutes to make and animate a glycine molecule, and should then feel confident enough to make other structures.