Term
| What does it mean, microorganims are ubiquitous in nature? |
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Definition
| That the organism being considered can be found just about everywhere |
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Term
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Definition
| Capable of producing a disease state if introduced into a suitable part of the body. |
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Term
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Definition
| Any area, including sites outside of the host organism, where a microbe resides and serves as a potential source of infection |
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Term
| What are the basic categories of colony morphology? |
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Definition
| Shape, margin, elevation, texture, pigment production |
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Term
| How can shape of bacteria be described |
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Definition
| Round, irregular, or punctiform |
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Term
| How can the margin of bacteria be described? |
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Definition
Entire-smooth with no irregularities
Undulate-wavy
Lobate-Lobed
Filamentous/rhizoid-branched like roots |
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Term
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Definition
| Flat, raised, convex, pulvinate-very convex, umbonate-raised in the center |
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Term
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Definition
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Term
| Pigment production of bacteria: |
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Definition
| opaque, translucent, shiny, dull |
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Term
| Why are agar slants useful? |
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Definition
| Media for cultivation and maintenance of stock cultures |
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Term
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Definition
| Dense and opaque with a smooth edge |
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Term
| What kind of growth do mycobacterium produce? |
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Definition
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Term
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Definition
| Surface membrane formed from organisms floating on top of the medium |
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Term
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Definition
| Bacteria appear to clump in broth |
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Term
| How is the best viewing done with a wet mount? |
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Definition
| With as low illumination as possible |
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Term
| What does a hanging drop preparation allow? |
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Definition
| Longer observation of the specimen because it doesnt dry out as quickly |
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Term
| What is the purpose of petroleum jelly in a hanging drop? |
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Definition
| Forms an airtight seal that slows drying of the drop, allowing longer period for observation of cell size, shape, binary fission, motility |
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Term
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Definition
| Created by collisions with water molecules, cells appear to vibrate in place |
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