Midterm – Microbiology Answers – Flashcards
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| Antibiotic |
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| Type of antimicrobial that is made by microorganisms |
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| Zone of Inhibition |
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| Clear circular area appears around the antimicrobial |
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| Mueller-Hinton Agar |
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| Commonly used for antibiotic susceptibility testing. (It is also used to isolate and maintain Neisseria and Moraxella species.) |
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| Electrophoresis |
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| Separation of DNA fragments. |
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| Horizontal gene transfer |
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| Transfer of genes between organisms in a manner other than traditional reproduction. |
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| Transformation |
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| Bacterial cells take up DNA from one bacterium to another. |
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| Competence |
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| Ability of a cell to take up DNA from it's environment. |
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| Ampicillin |
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| It is a beta-lactam antibiotic useful for the treatment of a number of bacterial infections. |
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| Plasmids |
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| Small, circular, self-replicating DNA molecules. |
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| Hospital-acquired infections |
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| Called Nosocomial and causes approx 100,000 deaths a year. |
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| Autotroph |
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| An organism that utilizes inorganic carbon (CO2) as there source of carbon |
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| Heterotrophic |
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| Organisms that cannot synthesize organic molecules from CO2. |
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| Fastidious |
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| "picky", requires a variety of growth factors and nutrients from the environment and will not grow well if these factors are not present. |
