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12 Cards in this Set
- Front
- Back
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Structural Stain
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used to identify and study the structure of bacteria.
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Endospores
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"resting bodies" because they do not metabolize and are resistant to heating, various chemicals, and many harsh environmental conditions. NO repro, formed when essential nutrients are not available.
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Impermeable
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Endospores are ______________ to most stains, so heat is usually applied to drive the stain into the endospore.
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What type of Endospore stain do we use?
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Schaeffer-Fulton
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Capsule
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When it is round or oval in shape.
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Slime Layer
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when it is irregulary shaped and loosely bound to the bacterium.
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What do capsules have an important role in?
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Virulence (disease-causing ability)
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Motile
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which means they have the ability to move from one position to another in a direct manner.
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Flagella
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most common means of motility, are thin proteinaceous structures that originate in the cytoplasm and project out from the cell wall.
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What are the two types of flagella?
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Peritrichous and polar
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Peritrichous
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all around the bacterium
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Polar
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at one or both ends of the cell
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