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
What does the gram negative phyla include? - --CORRECT ANSWER---
proteobacteria
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
, -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
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
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
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
What does the gram negative phyla include? - --CORRECT ANSWER---
proteobacteria
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
, -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
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
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2