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UTA Microbiology (Summer) Exam 2 (Ch. 4, 5, 6) Rated A+
Question : Why can prokaryotes be found almost anywhere?
CORRECT ANSWER : They are able to switch their metabolic
or respiration methods
Question : Describe mutualism
CORRECT ANSWER : Both organisms benefit
Question : Describe amensalism
CORRECT ANSWER : One organism is harmed, the other is
unaffected
Question : Describe commensalism
CORRECT ANSWER : one organism benefits and the other is
unaffected
Question : Describe neutralism
CORRECT ANSWER : both organisms are unaffected
Question : Describe parasitism
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CORRECT ANSWER : One organism benefits and the other is
harmed
Question : What is the difference between a resident and
transient microbe?
CORRECT ANSWER : A resident microbe is constantly living
in/on our bodiesA transient microbe is temporary
Question : What does the gram negative phyla include?
CORRECT ANSWER : -proteobacteria-spirochete-FCB group-
planctomycetes
Question : What does the gram postivie phylum include?
CORRECT ANSWER : -actinobacteria-firmicutes
Question : What makes up the bulk of all gram negative
bacteria?
CORRECT ANSWER : Proteobacteria-alpha-beta-gamma-
delta-epsilon
Question : Define oligotrophs
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CORRECT ANSWER : organisms that live in a low nutrient
environment
Question : What does it mean for a microbe to be an obligate
intracellular organism?
CORRECT ANSWER : the microbe MUST BE in a host cell
for metabolic function to occur
Question : What is the causative agent of Rocky Mountain
spotted fever and typhus fever?
CORRECT ANSWER : Rickettsia spp.
Question : What is the causative agent for lymphogranuloma
venereum (STD)?
CORRECT ANSWER : Chlamydia spp.
Question : What is the class of the Rickettsia spp.?
CORRECT ANSWER : Alphaproteobacteria
Question : What is the class of Chlamydia spp.?
CORRECT ANSWER : Alphaproteobacteria
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Question : Which class is full of oligotrophs?
CORRECT ANSWER : Alphaproteobacteria
Question : What is the causative agent for whooping cough?
CORRECT ANSWER : Bordetella spp.
Question : What class does Pseudomonas belong to?
CORRECT ANSWER : Gammaproteobacteria
Question : What does it mean to be a eutroph?
CORRECT ANSWER : The microbe requires a nutrient rich
environment to survive