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Cards In This Set
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What are the 5 different characteristics categories that describe a colony that arises from an isolated mother cell?
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Shape, Pigment, Elevation, Margin, Size
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Size is measured in _______. Shape is described as ___, ___, or ____
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Millimeters / Circular, Rhizoid, or Filamentour
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The edge of the colony is described as the ______
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Margin
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Margins can be described as what 4 types?
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Entire (smooth)
Erose (pointed projections) Lobate (rounded projections) Undulate (wavy) |
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How the colonies form ABOVE the agar is known as the ____
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Elevation
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What are the 4 varieties of 'elevation' of a colony?
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Flat
Convex Raised Umbonate ( 'fried egg' ) |
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If media is colored by bacteria, the pigment is _____, if the media is not colored, it is _______ .
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Water-soluble / Water-insoluble
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T/F.... Colony characteristics can identify an organism
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False, they give a clue
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What type of media is MacConkey's?
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Combination Media (differential and selective)
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Type of media for fastidious bacteria
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Enrichment Media
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What is an example of all purpose media?
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Tryptic Soy Agar (TSA)
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What are the 3 examples of Selective Media?
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Sodium Chloride (Salt)
Eosin Methylene Blue (EMB) MacConkey's Media |
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Media that distinguishes two different types of bacteria that are able to grow in the media
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Differential Media
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What does Sodium Chloride medium cause to make it selective for only halotollerant or halophiles?
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Plasmolysis
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Bacteria that require a high salt environment
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Obligant Halophiles
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