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20 Cards in this Set
- Front
- Back
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Symbiotic |
Living together |
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Commensals |
Microbes that live with another organism that may benefit both of them |
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Opportunist |
Microbes that will cause disease when given the opportunity |
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Culture medium |
A nutrient source to allow microbes to grow Can be liquid or a solid |
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General purpose media |
Grows many types of microbes that don’t need special growth factors |
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Enrichment media |
Contains growth factors required by some microbes |
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Selective media |
Inhibits the growth of certain microbes while Encouraging the growth of other microbes |
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Differential media |
Shows differences between different microbes based on their physical growth differences |
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TSA |
Tryptic soy agar General purpose media |
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(SDA) |
Sabouraud’s dextrose agar Selective media |
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BAP |
Blood agar Enrichment and differential media |
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Light microscopy |
Commonly used to magnify the images of tiny specimens |
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Ocular lens |
Eyepiece (binoculars) and magnify 15x |
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Objective lens |
Lenses on the revolving nose piece 4 types Scanner 4x Low power 10x High dry 40x Immersion 100x |
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Condenser lens |
Located under the stage and is used to focus light |
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Total magnification |
Determined by multiplying the ocular lens mag by the objective lens |
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Resolution |
The ability to distinguish objects from one another |
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3 domains |
Archaea, bacteria , eukarya |
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Prokaryotic cells |
No nuclei, smaller and simpler in structure Unicellular Bacteria and archaea |
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Eukaryotic cells |
Contain nuclei larger more complex, can be unicellular or multicellular |
