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33 Cards in this Set
- Front
- Back
- 3rd side (hint)
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The fake or pseudo movement of a microorganism due to a solvent that is present |
Brownian movement |
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The zigzag or irregular motion by minute particles of matter when suspended in a fluid |
Brownian movement |
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It is independent of all external factors and is ascribed to the thermal motion of the molecules in a fluid |
Brownian movement |
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This is due to random molecular bombardment of tiny bacterial cells by the molecules of the solvent |
Brownian movement |
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Rapid movement of the brownian movement is due to ____ or ____ on the microscope slide |
Capillary action Convection current |
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It is the self propelled motion under appropriate circumstances |
True motility |
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____ are helical bacteria which have an axial filament which is responsible for rotation of the cell in a ____ and ____ |
Spirochetes Spiral fashion Consequent locomotion |
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3 example of spirochetes |
Treponema Borrelia Leptospira |
TBL |
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Movement of cells over surfaces without the aid of flagella |
True motility |
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Gliding bacteria all secrete ____ |
Copious slime |
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The gliding motility apparatus which propels the cells involves a ____ |
Complex of proteins |
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Thin film of material containing microorganism that is spread over the surface of the slide |
Smear |
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Stains are ____ composed of a ____ and a ____, one of which is colored and is known as the ____ |
Salts Positive Negative ion Chromophore |
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Basic dyes are ____ ion |
Positive |
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Acidic dyes are ____ ion |
Negative |
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4 examples of basic dyes |
Crystal violet Methylene blue Malachite green Safranin |
CMMS |
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Dyes that are not attracted to most types of bacteria |
Acidic dyes |
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1 example of acidic dye |
Sodium eosinate |
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1 example of neutral dye |
Romanowsky’s stain |
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2 example of natural dye |
Carmine red Hematoxylin |
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Source of carmine |
Cochineal from female scale insects |
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Source of hematoxylin |
Heartwood of the logwood tree |
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Scientific name of the source of hematoxylin |
Haematoxylin campechianum |
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2 example of coal tar derivative stain |
Methylene blue Crystal violet |
MC |
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Coal tar derivative stain is aka |
Aniline strains |
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4 staining techniques |
Simple stain Differential stain Special Negative |
SDSN |
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Staining techniques which stains the specialized structures like spores, capsules |
Special staining |
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5 example of special stain |
Silver impregnation technique Fuelgen stain Sudan black Ryu’s stain Albert’s stain |
SFSRA |
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Staining for preparation of colorless bacteria against a colored background |
Negative staining |
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Staining that is valuable for observing overall cell shapes, sizes and capsules |
Negative staining |
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In this staining, the distortions of the cell size and shape are minimized |
Negative staining |
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3 example of negative stains |
Eosin Acid fuchsin Nigrosin |
EAN |
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Ha |
Ha |
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