Microbiology 230 Final Exam – McGraw exam with correct answers

Microbiology230FinalExam–
McGrawexamwithcorrectanswers

Thescientistusuallyconsideredthefirsttoseemicroorganisms, whichhecalled"animalcules", was



Redi

vanLeeuwenhoek

Pasteur

Tyndall -correct answer✔✔vanLeeuwenhoek



Whichofthesescientist(s)was/were involvedin,amongotherthings,investigatingtheideaof
spontaneousgeneration?



Redi

vanLeeuwenhoek

Pasteur

Escherich

RediANDPasteur-correct answer✔✔RediANDPasteur



Theoppositeresultsobtainedbyscientists apparentlydoingthesameexperimentsininvestigating
spontaneousgeneration



Showstheimportanceofrepeatingexperiments

Showstheimportanceofexactlyduplicatingexperimentalconditions

Ledtofurtherexperiments thatultimatelyfurtheredknowledge

,Allofthechoicesarecorrect-correct answer✔✔Allofthechoicesarecorrect



cellulose isamajorcomponentofplantsandisonlydirectlydigestedby-correct
answer✔✔microorganisms



microorganismsareinvolvedin



causingdisease

curing/treatingdisease

preparingfood

cleaninguppollutants

allofthechoicesarecorrect-correct answer✔✔allofthechoicesarecorrect



theGoldenAgeorMedicalMicrobiology



a)occurredduringthelate1800stoearly1900s

b)startedinthe1990swiththeadventofgeneticengineering

c)isatimewhentheknowledgeofantechniquestoworkwithbacteriablossomed

d)waswhenpeoplerealizedthatdiseasescouldbecausedbyinvisibleagents

e)occurredduringthelate1800stoearly1900s, isatimewhentheknowledgeofandtechniquestowork
withbacteriablossomedANDwaswhenpeoplerealizedthatdiseasescouldbecausedbyinvisible
agents-correct answer✔✔e)occurredduringthelate1800stoearly1900s,isatimewhenthe
knowledgeofandtechniquestoworkwithbacteriablossomedANDwaswhenpeople realizedthat
diseasescouldbecausedbyinvisible agents



lymedisease isanexampleofadisease



a)thatisduetoagreaterdegree ofinteractionbetweenhumansandtick-carryinganimals

,b)thatisduetoadeclineinvaccinations

c)thatisduetoamutationinthehumangenome

d)thatisduetoclimatechangeleadingtoagreatermosquitopopulation-correct answer✔✔a)thatis
duetoagreaterdegree ofinteractionbetweenhumansandtick-carryinganimals



smallpox



a)hasbeeneliminatedasanaturallyoccurringinfectioninhumanbeing

b)stilloccasionallyoccursinthirdworldcountries

c)probablyonlyhasahumanreservoir

d)wasdealtwithbyvaccination

e)hasbeeneliminatedasanaturallyoccurringinfectioninhumanbeings,ANDwasdealtwithby
vaccination-correct answer✔✔e)hasbeeneliminatedasanaturallyoccurringinfectioninhuman
beings,ANDwasdealtwithbyvaccination



bacteria



a)arenotfoundonourbodies

b)areonlyfoundonsmall selectpartsofourbodies

c)provideprotectiontousfromdisease bycoveringourbodies,crowdingout"bad"invadingbacteria

d)alwayscausedisease whengrowingonourbodies-correct answer✔✔c)provideprotectiontous
fromdisease bycoveringourbodies,crowdingout"bad"invadingbacteria



Bacteriaaregoodmodelstousebecausethey

a)arelargeinsize.

b)sharemanybiochemical/physiological propertieswithmorecomplicatedorganisms.

c)canbeassembledintomulticellular organisms.

, d)havecomplicatedgrowthrequirements.-correct answer✔✔b)sharemany
biochemical/physiological propertieswithmorecomplicatedorganisms.



whichisusuallytrueofarchaea?



a)theyarefoundasrods,spheres,orspirals

b)theyreproduce bybinaryfission

c)theycontainrigidcellwalls

d)theyarefoundassinglecells

e)allofthechoicesarecorrect-correct answer✔✔e)allofthechoicesarecorrect



SomeArchaeaarecommonlyfoundin

a)meteors.

b)boilinghotsprings.

c)theGreatSaltLake.

d)yourrefrigerator.

e)boilinghotspringsANDtheGreatSaltLake.-correct answer✔✔e)boilinghotspringsANDtheGreat
SaltLake.



theprokaryoticcell schemeisfoundin



a)bacteria

b)archaea

c)eucarya

d)allofthechoicesarecorrect

e)bacteriaANDarchaea-correct answer✔✔e)bacteriaANDarchaea