The Penicillin antibiotic disk, in quadrant number three, had just a little less bacterium than quadrant one. And the Erythromycin antibiotic disk in quadrant two even less bacteria. But in quadrant four was where we found the least bacteria.
In conclusion, we have reason to believe that Ampicillin work the most affectively on the bacteria Serratia marcescens because it can penetrate and prevent the growth of gram ? negative bacteria, unlike penicillin... Showed first 250 characters
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And Serratia marcescens is a gram ? negative bacteria. This is why penicillin only had a .2 cm radius of a zone of inhibitions where as Ampicillin had a 1 cm radius. And we also think Erythromycin worked more affectively than Penicillin because Ampicillin and Erythromycin are both used to treat some of the same diseases such as gonorrhea... Showed next 250 characters
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king henry the viii
TouchStone Software Corporation
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The materials we used to make this test possible consists of a sterile nutrient agar Petri dish, the bacteria Serratia marcescens, Erythromycin antibiotic disk, Ampicillin antibiotic disk, Penicillin antibiotic disk, sterile disk of blank filter paper, marking pen, long ? handled cotton swab, forceps, metric ruler, and a 37°C incubator...
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