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Microbiology Lab Final Exam
Terms
41
Microbiology
Undergraduate 2
11/29/2011

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Term
Ubiquitous
Definition
existing or being everywhere at the sae time, constantly.
Term
Contamination
Definition
the presence of microorgansims or inanimate objects on surfaces of the skin and mucous membranes.
Term
Sterile
Definition
the state in which there are no living organisms in or on a material
Term
Inoculate
Definition
to introduce a microorgansim into: to introduce into an nstable position for growth
Term
Incubate
Definition
the maintain under conditions favorable for growth
Term
Culturing
Definition
to grow in a prepared medium
Term
Aseptic technique
Definition
refers to a procedure that is performed under sterile conditions
Term
pure culture
Definition
a culture that contains only a single species of organisms
Term
mixed culture
Definition
a culture that contains more than one species of organisms
Term
growth medium
Definition
a liquid or gel designed to support the growth of microorganisms or cells
Term
parfocal
Definition
having focus on an object then the object will be visible
Term
paracentric
Definition
if object is placed in the center for viewing, then the object will be centered after changing to another objective.
Term
resolution
Definition
the abililty of an optical device to shoew 2 items as seperate
Term
magnification
Definition
Term
resolving power
Definition
Term
compound microscope
Definition
Term
binocular
Definition
Term
negative stain
Definition
Term
simple stain
Definition
Term
differential stain
Definition
Term
colony
Definition
A group of original cells
Term
streak plate
Definition
method used to prepare cultures, where inoclum is placed on the top of agar to isolate colonies
Term
capsule
Definition
Term
metabolism
Definition
the sum of all chemical reactions in the body
Term
anabolism
Definition
breaking down large molecules making smaller components
Term
catabolism
Definition
chemical breakdown where energy is released
Term
enzyme
Definition
Term
exoenzyme
Definition
Term
hydrolysis
Definition
Term
motility
Definition
Term
bacterial flagella
Definition
Term
substrate
Definition
Term
end product
Definition
Term
pH scale
Definition
less than 7 is acidic; 7 is neutral; more than 7 is basic
Term
Electron Transport System
Definition
Term
catalase
Definition
Term
fastitious
Definition
Term
endoenzyme
Definition
Term
selective medium
Definition
Term
differential medium
Definition
Term
fermentation
Definition
breakdown of sugar and energy is released, the end product is usually and acid and gas
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