Exam 2 UTA Microbiology 2025
Questions and Answers
Why can prokaryotes be found almost anywhere? - --CORRECT ANSWER--
They are able to switch their metabolic or respiration methods
Describe mutualism - --CORRECT ANSWER--Both organisms benefit
Describe amensalism - --CORRECT ANSWER--One organism is harmed, the
other is unaffected
Describe commensalism - --CORRECT ANSWER--one organism benefits and the
other is unaffected
Describe neutralism - --CORRECT ANSWER--both organisms are unaffected
Describe parasitism - --CORRECT ANSWER--One organism benefits and the
other is harmed
What is the difference between a resident and transient microbe? - --CORRECT
ANSWER--A resident microbe is constantly living in/on our bodies
A transient microbe is temporary
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,What does the gram negative phyla include? - --CORRECT ANSWER---
proteobacteria
-spirochete
-FCB group
-planctomycetes
What does the gram postivie phylum include? - --CORRECT ANSWER---
actinobacteria
-firmicutes
What makes up the bulk of all gram negative bacteria? - --CORRECT ANSWER--
Proteobacteria
-alpha
-beta
-gamma
-delta
-epsilon
Define oligotrophs - --CORRECT ANSWER--organisms that live in a low
nutrient environment
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, 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
What is the causative agent of Rocky Mountain spotted fever and typhus fever? - --
CORRECT ANSWER--Rickettsia spp.
What is the causative agent for lymphogranuloma venereum (STD)? - --
CORRECT ANSWER--Chlamydia spp.
What is the class of the Rickettsia spp.? - --CORRECT ANSWER--
Alphaproteobacteria
What is the class of Chlamydia spp.? - --CORRECT ANSWER--
Alphaproteobacteria
Which class is full of oligotrophs? - --CORRECT ANSWER--Alphaproteobacteria
What is the causative agent for whooping cough? - --CORRECT ANSWER--
Bordetella spp.
What class does Pseudomonas belong to? - --CORRECT ANSWER--
Gammaproteobacteria
What does it mean to be a eutroph? - --CORRECT ANSWER--The microbe
requires a nutrient rich environment to survive
Which class is made up of eutroph? - --CORRECT ANSWER--Betaproteobacteria
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Questions and Answers
Why can prokaryotes be found almost anywhere? - --CORRECT ANSWER--
They are able to switch their metabolic or respiration methods
Describe mutualism - --CORRECT ANSWER--Both organisms benefit
Describe amensalism - --CORRECT ANSWER--One organism is harmed, the
other is unaffected
Describe commensalism - --CORRECT ANSWER--one organism benefits and the
other is unaffected
Describe neutralism - --CORRECT ANSWER--both organisms are unaffected
Describe parasitism - --CORRECT ANSWER--One organism benefits and the
other is harmed
What is the difference between a resident and transient microbe? - --CORRECT
ANSWER--A resident microbe is constantly living in/on our bodies
A transient microbe is temporary
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
,What does the gram negative phyla include? - --CORRECT ANSWER---
proteobacteria
-spirochete
-FCB group
-planctomycetes
What does the gram postivie phylum include? - --CORRECT ANSWER---
actinobacteria
-firmicutes
What makes up the bulk of all gram negative bacteria? - --CORRECT ANSWER--
Proteobacteria
-alpha
-beta
-gamma
-delta
-epsilon
Define oligotrophs - --CORRECT ANSWER--organisms that live in a low
nutrient environment
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
, 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
What is the causative agent of Rocky Mountain spotted fever and typhus fever? - --
CORRECT ANSWER--Rickettsia spp.
What is the causative agent for lymphogranuloma venereum (STD)? - --
CORRECT ANSWER--Chlamydia spp.
What is the class of the Rickettsia spp.? - --CORRECT ANSWER--
Alphaproteobacteria
What is the class of Chlamydia spp.? - --CORRECT ANSWER--
Alphaproteobacteria
Which class is full of oligotrophs? - --CORRECT ANSWER--Alphaproteobacteria
What is the causative agent for whooping cough? - --CORRECT ANSWER--
Bordetella spp.
What class does Pseudomonas belong to? - --CORRECT ANSWER--
Gammaproteobacteria
What does it mean to be a eutroph? - --CORRECT ANSWER--The microbe
requires a nutrient rich environment to survive
Which class is made up of eutroph? - --CORRECT ANSWER--Betaproteobacteria
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