MLPAO Test Prep ~ Microbiology
Microbiology is the study of - ANS-Microscopic organisms
Four major groups of Microorganisms - ANS-Bacteria, Viruses, Fungi, Parasites
Viruses are non cellular - ANS-Parasites
Viruses are observed through - ANS-Electron microscope
Viruses contain a genomic core made up of either ____ or ____ (never both!) and a
coat of ____ surrounding the core called an ___ - ANS-DNA, RNA, protein, envelope
Viruses are obligate intracellular_____ - ANS-Parasites
Prokaryotic bacteria ranges in size between ____ um - ANS-2-6
Eukaryotic fungi size ___ um - ANS-2-100
Unicellular fungi include - ANS-yeast
Multicellular fungi include - ANS-Molds, fungi, Candida
Eukaryotic protozoa ranges in size between ___ um - ANS-5-200
Protozoa are motile by means of - ANS-pseudopods, cilia, or flagella
Microorganisms from largest to smallest - ANS-Protozoa, fungi, bacteria, viruses
A form of providing all necessary nutrients to the microbe in an artificial environment is -
ANS-Growth medium
Growth Medium: Prepared by using ___ ____ or using _____ _____ - ANS-individual
constituents, dehydrated powders
Growth Medium: Classified according to three properties - ANS-Physical, Chemical,
Functional
Growth Medium: Solid medium gives a firm surface on which - ANS-bacteria can grow
Growth Medium: Cells that grow on solid media are - ANS-Colonies
Growth Medium: A colony is produced of a ___ and is made of _____ - ANS-single cell,
one type of species
Growth Medium: A colony's ____, ____, and ____ are typically used for identification -
ANS-Size, shape, color
Growth Medium: Semi-solid medium is used to asses the ____ of bacteria or observe a
____ - ANS-motility, reaction at a specific site
Growth Medium: Semi-solid medium contains _____ agents to thicken the media such
as ____ or ____ - ANS-Solidifying, gelatin, agar
Growth Medium: Liquid medium includes _____ or _____ - ANS-Broths, infusions
Growth Medium: Liquid medium growth appears ____ the tube in the form of ____,
_____, or _____ appearance - ANS-Throughout, dispersed, cloud, particle
General purpose medium grows a _____ _____of microbes - ANS-wide variety
General purpose medium is considered to be _____ and contain a variety of nutrients to
support a wide range of microbes (e.g.. MH) - ANS-non-synthetic
Enriched Medium: Media is prepared with ____ _____ ____ (e.g.. BA) - ANS-additional
growth factors
Enriched medium is used to _____ and ____ organisms that are unable to grow on
____ media and display _______ reactions - ANS-recover, investigate, basic, hemolysis
Enriched medium is prepared with ____% sheep blood added to ____ base - ANS-5,
TSA
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