MIT Biology Hypertextbook: Prokaryotic Gene Regulation: http://esg-www.mit.edu:8001/esgbio/pge/intro.html
Faculty page on nitrogen fixation: http://web.reed.edu/academic/departments/biology/nitrogen/
CDC information on cholera: http://www.cdc.gov/ncidod/dbmd/diseaseinfo/cholera_g.htm
lac operon animations: http://www.leeds.ac.uk/bionet/compend/bnt28pst.htm
Attenuation Within the Tryptophan and Phenalanine Operons: http://members.aye.net/~jfbaker/atten.html |