Exam (elaborations)
Microbiology Chapter 4 UTA Tholen Questions With Complete Solutions
- Course
- Microbiology
- Institution
- University Of Texas - Arlington
Microbiology Chapter 4 UTA Tholen Questions With Complete Solutions
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Microbiology Chapter 4 UTA Tholen Questions With CompleteSolutions
Actinobacteria Correct Answers extremely diverse; thin
filamentous to coccobacilli shaped; important to soil ecology;
prominent genera Mycobacterium, Corynebacterium,
Bifidobacterium, Gardnerella
Actinobacteria: Bifidobacterium spp. Correct Answers
Filamentous & anaerobic; Frequently used as probiotic
Actinobacteria: Corynebacterium spp. Correct Answers
Diaminopimelic acids in cell wall; Most are non-pathogenic; C.
diphtheria is causative agent for diphtheria
Actinobacteria: Gardnerella vaginalis Correct Answers Only
one species; Gram variable: inconsistent stain results; Causative
agent for bacterial vaginosis
Actinobacteria: Mycobacterium spp. Correct Answers Acid
fast (+) due to mycolic acid in cell wall; causative agent for
tuberculosis & leprosy
Alphaproteobacteria Correct Answers Oliotrophs live in low
nutrients environments; Chlamydia & Rickettsia are prominent
genera (Obligate intracellular and must have a host to be
metabolically active)
Alphaproteobacteria: Chlamydia Correct Answers causative
agents for lymphogranuloma venereum (STD)
, Alphaproteobacteria: Rickettsia Correct Answers causative
agents for Rocky mountain spotted fever & typhus fevers
Amensalism Correct Answers one population is harmed and
the other is unaffected; ex: antimicrobial defense on skin
Atypical Correct Answers neither
Bacillus Correct Answers •Low G+C content; no other
common characteristic; Prominent genera: Clostridium,
Lactobacillus, Bacilli, Streptococcus, Enterococcus,
Staphylococcus, Mycoplasmas
Bacillus: B. anthracis Correct Answers causative agent for
anthrax
Bacillus: B. cereus Correct Answers common food poisoning
agent
Bacillus: Bacillus Correct Answers bacillus shaped aerobes or
facultative anaerobes; Bacillus shape; Endospore producers;
Important to industrial microbiology
Bacillus: Clostridia Correct Answers mostly obligate
anaerobes; Endospore producers, Soil dwelling, Common food
contaminant
Bacillus: Lactobacillales Correct Answers contains bacilli &
cocci; Prominent Genera: Streptococcus
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