Introduction Problem         To determine the effect of ten different antibiotics on two different types of bacteria. I will test six antibiotics on Escherichia coli, and six antibiotics on Bacillus subtilis. On Escherichia coli I will test tetracycline, chloramphenicol, furadantin, nalidixic acid, triple sulfa, and kanamycin. On Bacillus subtilis I will test streptomycin, erythromycin, novobiocin, tetracycline, chloramphenicol, and penicillin. As a side observation, I would also like to see if Bacillus subtillis shows resistance to penicillin. …showed first 75 words of 1311 total…

…showed last 75 words of 1311 total…acid:17 mm Furadantin:14 mm          Table 1 Escherichia coli          Bacillus subtilis                  Antibiotic         Width in mm Antibiotic         Width in mm                  Chloramphenicol          12 Tetracycline         12         Kanamycin         11          Novobiocin         9         Triple sulfa         9          Chloramphenicol         18         Nalidixic acid         17          Strepomycin         11         Furadantin         14          Penicillin         21 Tetracycline         10          Erythromycin         15 Bibliography United States Pharmacopeia. Complete Drug Reference.Consumer Reports Books, Yonkers, New York. Copyright 1994. pp 45, 970, 1489, 1686 Facts and Comparisons. Drug Facts and Comparisons. Facts and Comparisons Inc, St. Louis. Copyright 1991. pp 120, 1374, 1598, 1895 USP DI. Health Care Provider. United States Pharmacopeial Convention. Rockville, Maryland. Copyright 1985. volume 1, pp 145, 1967