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Microbiology Lab Quiz #1 Questions & Answers
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Microbiology Lab Quiz #1 Questions & Answers
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Microbiology Lab Quiz #1 Questions &Answers
ocular lens Correct Ans-demagnifies the image formed by the objective lens
body tube Correct Ans-transmits the image from the objective lens to the ocular lens
objective lenses Correct Ans-primary lenses that magnify the specimen
mechanical stage Correct Ans-holds the microscope slide
condenser Correct Ans-focuses light through specimen
diaphragm Correct Ans-controls the amount of light entering the condenser
illuminator Correct Ans-light source
fine focusing knob Correct Ans-used for focusing the specimen; turning the know changes
the distance between the objective lens and the specimen
microscope Correct Ans-
, Nutrient Broth Correct Ans-When agar is added it becomes a solid medium
Agar Correct Ans-extract from marine red algae, has some unique properties that make it
useful in culture media, few microbes can degrade it and it remains solid
Steam sterilization/autoclaving Correct Ans-common method of sterilization which uses
steam under pressure
Petri Plates Correct Ans-containing solid media provide a large surface area for examination
of colonies
inoculated Correct Ans-intentionally introduced onto nutrient agar and into nutrient broth
Colony forming unit Correct Ans-same microbes attach to one another
total magnification Correct Ans-ocular lens magnification x objective lens magnification
field of vision Correct Ans-area seen through a microscope
focal point Correct Ans-where the image is formed
spherical aberration Correct Ans-multiple focal points that results in fuzzy image
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