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Exam 2 UTA Micro(ch 4,5,6); Questions and Answers % Correct $13.99   Add to cart

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Exam 2 UTA Micro(ch 4,5,6); Questions and Answers % Correct

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Exam 2 UTA Micro(ch 4,5,6); Questions and Answers % Correct Prokaryote Habitats Correct answer-ubiquitous: hot springs, ice caps, deep ocean, mucosal surfaces Why are prokaryotes so important Correct answer-v adaptive & resilient, stability of ecosystems, carbon & nitrogen fixation, environ...

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  • August 8, 2024
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  • Micro UTA
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Exam 2 UTA Micro(ch 4,5,6); Questions and
Answers % Correct
Prokaryote Habitats Correct answer-ubiquitous: hot springs, ice caps, deep ocean,
mucosal surfaces




Why are prokaryotes so important Correct answer-v adaptive & resilient, stability of
ecosystems, carbon & nitrogen fixation, environmental cleanup




Mutualism Correct answer-Pop. A and B are benefitted

ex. gut nutrient metabolism




Amensalism Correct answer-Pop. A is harmed and B is unaffected

ex. antimicrobial defense on skin




Commensalism Correct answer-Pop. A is benefitted and B is unaffected

ex. skin cells as food source




Neutralism Correct answer-Both pop. are unaffected

ex. spores in soil




Parasitism Correct answer-Pop. A is benefitted and B is harmed

ex. tuberculosis

, Exam 2 UTA Micro(ch 4,5,6); Questions and
Answers % Correct
Prokaryote taxonomy Correct answer-molecular, biochemical, microscopy, and nucleotide
sequences is best approach for classification




Gram Negative Correct answer--proteobacteria

-spirochete

-CFB group

-plantomycetes

-phototrophic




Proteobacteria Correct answer--alphaproteobacteria

-betaproteobacteria

-deltaproteobacteria gammaproteobacteria

epsilonproteobacteria




Alphaproteobacteria Correct answer--oligotroph (live in low nutrient environment)

-obligate intracellular bacteria

-rickettsia: pleomorphic, cocci rods or threads, rocky mountain spotted fever and typhus

-chlamydia: coccoid or ovoid, chlamydia




Betaproteobacteria Correct answer--eutrophs (require many nutrients)

-Bordetella: coccobacillus, aerobic, fastidious, whooping cough

, Exam 2 UTA Micro(ch 4,5,6); Questions and
Answers % Correct
-Neisseria: coccus forming pairs, gonorrhea, meningitis, require moisture and high
concentration of CO2, oxidase positive




Deltaproteobacteria Correct answer--sulfate reducing

-Myxobacterium: coccoid forming colonies

-Desulfovibrio: comma shaped rod, reduce sulfur

-Bdellovibrio: comma shaped rod, obligate aerobes, parasitic infecting other bacteria




Gammaproteobacteria Correct answer--most diverse

-Pseudomonas Aeruginosa: bacillus, aerobic, infections of wounds, urinary, and respiratory
tracts

-Pasteurella Haemolytica: pneumonia in animals

-Haemophilus Influenza: bacillus, pleomorphic, upper and lower respiratory infections

-Vibrio: curved rod shaped, alkaline environments, motile, hypersecretion of electrolytes in
gasto. tract

-Legionella Pneumophila: legionnaires disease, bacillus

-Enterobacter: bacillus, coliforms, noncoliforms, urinary and respiratory tract infection




Epsilonproteobacteria Correct answer--smallest, aerophilic

-Campylobacter: spiral shaped rod, aerobic, food poisoning

-Helicobacter: spiral shaped rod, aerobic, ulcers and stomach cancer

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