Additional resources for transcription and translation that you may find useful:
http://www.dnai.org/a/index.html http://www.stolaf.edu/people/giannini/flashanimat/molgenetics/transcription.swf
http://www.dnai.org/a/index.html
http://www.stolaf.edu/people/giannini/flashanimat/molgenetics/translation.swf