Term
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Definition
-minimum: lowest temp at which a species shows growth
-optimum: shows best growth
-maximum: highest temp at which it shows growth |
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| most show best growth in pH between 6.5-7.5 neutral |
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Term
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Definition
| show growth in pH less than 6.5 |
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Term
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Definition
| osmosis in which water flows from a cell into surrounding |
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Term
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Definition
| water enters cell from surrounding |
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Definition
| shrinkage of protoplasm away from cell walls > excessive water loss |
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Definition
| growth in saline water between 2%-30% |
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Term
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Definition
-require oxygen
-enzymes that counteract oxygen effects > superoxide dismutase, catalase |
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Term
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Definition
-do not require oxygen
-use oxygen when available |
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Term
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Definition
-do not require oxygen
-cannot use it
-may be harmed by it |
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Term
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Definition
-do not require oxygen
-cannot use it
-are not harmed by it |
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Term
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Definition
| require oxygen in concentrations below atmospheric |
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Term
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Definition
| converts superoxide radicals into hydrogen peroxide |
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Term
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Definition
| converst hydrogen perxide into water and oxygen gas |
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Term
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Definition
| contents and concentrations are known precisely |
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Definition
| contents and concentrations are not precisely known |
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Definition
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Definition
| disadvantages growth of undesired microorganisms |
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Definition
| facilitates detection of desired microorganisms |
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Term
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Definition
| favors growth of desired microorganisms to facilitate detection |
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Term
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Definition
| measurable, exponential growth of bacterial production of primary and secondary metabolites |
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Term
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Definition
| preparation for culture growth but no measurable growth yet |
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Definition
| produced log phase > nutrient supply is sufficient |
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Definition
| produced during transition to stationary phase when nutrient supply starts to decline |
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Definition
| period of growth stability at greatest possible number of bacteria, no culture growth or decline |
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Term
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Definition
| exponential decline of bacterial culture |
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Term
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Definition
| very gradual further decline of bacterial culture |
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