No seriously, try this one:
http://learn.genetics.utah.edu/content/begin/dna/builddna/
Then try this one: (Make a Protein)
http://learn.genetics.utah.edu/content/begin/dna/transcribe/
http://www.pbs.org/wgbh/aso/tryit/dna/#
Check out this video of what you just read about!
http://www.concord.org/~btinker/workbench_web/models/DNAmsgON.swf
http://learn.genetics.utah.edu/content/begin/dna/builddna/
Then try this one: (Make a Protein)
http://learn.genetics.utah.edu/content/begin/dna/transcribe/
http://www.pbs.org/wgbh/aso/tryit/dna/#
Check out this video of what you just read about!
http://www.concord.org/~btinker/workbench_web/models/DNAmsgON.swf