click below
click below
Normal Size Small Size show me how
micro lab #7
lab definitions
| Question | Answer |
|---|---|
| structural stain | to observe fine detail on some bacteria |
| simple stains | staining specimen or background |
| differential stains | distinguish between bacterials species based on the structure of their cell walls |
| endospore | formed by some species to survive unfavorable or harsh environmental conditions bacillus & clostridium |
| capsule | protective armor aids in the virulence of some species streptococcus pneumoniae genetic trait |
| capsule | viscous coat secreted by some bacteria round or oval in shape |
| slime layer | irregularly shaped & loosely bound to the bacterium |
| flagella | aid in movement enable some species to move from point of entry to other places in body vibrio proteus pseudomonas |
| peritrichous | flagella all around bacteria |
| polar | flagella are at one or both ends of the cell |
| monotrichous | one flagellum at one end of the cell |
| lophotrichous | many flagellum at one end of the cell |
| amphitrichous | one flagellum at each end of the cell |
| endospores aka | resting bodies dont metabolize & are resistant to heat and various chemicals |
| capsule composition | polysaccharides water soluble non ionic (uncharged) |
| motile | have the ability to move from one position to another in a direct manner |
| not for reproduction | endospores |
| white blood cells cannot phagocytize bacteria | capsules |
| most common means of motility | flagella |