E. Coli Lab Report

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The antimicrobial substance that was most effective in inhibiting the growth of E.coli was TE. The inhibition zone created by the antibiotic was 31.75mm, this created a bacteriostatic effect because the antibiotic was able to destroy the pathogenic growth of the microbes. The second most effective antimicrobial on E.coli was AM, this created an inhibition zone of 27.94mm. This also showed signs of bacteriostatic effect because of the growth inhibition. The third most effective antimicrobial on E.coli was P and S, both showed an inhibition zone of 19.05mm. This means that the effect was also bacteriostatic and that E.coli reacts to both antimicrobials very similar. The last antibiotic E.coli was effected by was GM, this had the least inhibition growth …show more content…
This means that E.coli is more resistance to GM than the other antimicrobials even though the GM antibiotic showed bacteriostatic effect still. The antibiotic that was most effective on S.epidermis was the GM, showing an inhibition zone of 38.1mm, which means it had a high bacteriostatic effect. The second most effective antimicrobial on S.epidermis was AM, showing an inhibition zone of 25.4mm, which also means it had a bacteriostatic effect because the antimicrobial was able to destroy the pathogenic growth of the bacteria. The rest of the Antimicrobials TE, S, and P showed bactericidal effect, which means that S.epidermis was resistant to them and prevent infection by inhibiting the growth of the microorganism. The most effective antibiotic on E.coli was Lysol, this showed and bacteriostatic effect and an inhibition zone of 12.7mm. The second most effective antibiotic on E.coli was the skin cleanser showing an inhibition zone of 5.08mm. The Mouth was showed bactericidal effect on E.coli because there was no

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