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27 Cards in this Set
- Front
- Back
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all broken glass/glass to be disposed of goes in the _____.
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Broken glass box
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petri dishes, swabs, etc, go in the ____.
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autoclavable box
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you should ___ inoculation tubes
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save/recycle
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total magnification=
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ocular mag x objective lens mag
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4x magnification objective
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scanning objective
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10x magnification objective
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low power objective
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40x magnification objective
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high, dry objective
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100x magnification objective
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oil objective
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Resolution=_____
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d=(λ)Wavelength/2xNumerical aperture
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with any microscope use you want ___ resolution
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small
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what are the ways we can get a small resolution?
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1. make λ small
2. make numerical aperture big 3. use oil |
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what does a blue filter give you?
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smaller wavelength (λ) of light
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why does oil give you a small resolution
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oil has the same refraction index as glass, the oil keeps the light from bending
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the objectives are all in focus
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parfocal
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what is the difference between eucaryotes and procaryotes?
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eucaryotes have organelles
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what two groups are the Eucaryotes broken down into? Whats the domain?
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-protozoans and algae
-Domain=protists |
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-type of protist
-typically motile -heterotroph |
protozoans
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-type of protist
-nonmobile -phototrophs |
algae
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what two domains are procaryotes divided into?
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-eubacteria (bacteria)
-archea |
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the size of a typical bacterium
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1-10 microns
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size of a typical protist
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10-50 microns
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size of a RBC
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7-10 mircrons
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size of a virus
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nanometers
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resolution of a light microscope
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0.2 microns
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resolution of the human eye
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200 microns
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does asceptic=sterile?
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NO!!!
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to work with a desired microbe but avoid contamination by working with pure (only 1 type) cultures
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Asceptic technique
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