Test 1 Chapter 4 Flashcards
Cutaneous anthrax occurs when the endospores enter a wound and germinate. T/F
True
In the US, Borrelia burgdorferi causes the most commonly reported vector-borne illness. T/F
True, Tick-Borne Lyme Disease
Which of the following is a symbiotic relationship where organism A benefits and organism B is
neither benefited nor harmed?
Commensalism.
Which of the following causes bubonic plague?
Yersinia pestis
Which member of the CFB group is an important component of the gut microbe?
Bacteroides
CFB group
Cytophaga, Fusobacterium, Bacteroides. Gram-Negative Bacteria
Which of the deeply branching bacteria is most closely related to LUCA?
Acetothermus spp.
Which of the following causes Lyme disease plague?
Borrelia burgdorferi
Halophiles require a hypertonic environment. T/F
True
Bacteroides accounts for approximately what percentage of the normal gut microbiome?
30%
High G+C bacteria are Gram-positive. T/F
True
Rate the likelihood of death from Bacillus anthracis from least to most deadly.
cutaneous anthrax, intestinal anthrax, pulmonary anthrax
Which symbiotic relationship is when both organisms benefit?
Mutualism
Which of the following causes a bulls-eye rash?
Borrelia burgdorferi
Mycoplasmas do not have a cell wall. T/F
True
Which of the following is NOT true about archaea?
They have cell walls. (Archaea do NOT have cell walls)
Pseudomonas aeruginosa is often found in burn patients.
True
Which of the following are most closely related to LUCA?
Deeply Branching Bacteria
The type of symbiosis in which one organism benefits and the other is harmed is _____.
Parasitism
Which of the following is likely the most common cause of food poisoning in the U.S.?
Campylobacter jejuni
Which bacteria was responsible for the Great Oxygenation Event?
Cyanobacteria
Which of the following statements about the deeply branching bacteria is FALSE?
Deinococcus radiodurans is easily killed by radiation.
The accumulation of a greyish mixture of dead cells, pus, red blood cells, and fibrin caused by
Corynebacteria diphtheriae is a
Pseudomembrane
Cyanobacteria are the only bacteria that perform oxygenic photosynthesis. T/F
True
