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17 Cards in this Set
- Front
- Back
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Simple microscope has
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1 lens
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In a compound microscope the image from the _____________ lens is magnified again by the __________ lens.
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Objective, Ocular
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The ability of the lenses to distinguish 2 points
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Resolution
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Strength of lens relates to
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Focal Length
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The light-bending ability of a medium
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Refractive Index
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Used to keep light from bending
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Immersion Oil
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Ability of lens to separate or distinguish small objects that are close together
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Microscope Resolution
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Brightfield Illumication
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Dark objects are visible against bright background.
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Darkfield Illumication
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Light objects are visible again dark background.
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Fluorescence microscopy
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Uses UV light,
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Uses flourochromes and a laser light
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Confocal microscopy
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Measures sound waves, used to study cells attached to surface
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Scanning Acoustic Microscope (SAM)
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Uses electrons instead of light
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Electron Microscopy
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Ultrathin sections of specimens
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Transmission Electron Microscopy (TEM)
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Gram-negative bacteria are more ________ to antibiotics
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Resistant
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Differential Stains
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Acid-Fast Stain
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Negative staining in useful for capsules. Heat is required.
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Special Stains
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