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. |