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Microbiology 11

Diversity of Prokaryotic Microorganisms

QuestionAnswer
Gracilutes thin wall - gram negative
Firmicutes Thick wall, gram positive
Tenericutes no cell wall
Mendosicutes different cell wall
What types of metabolism are found in Proteobacteria? fermentation, aerobic respiration, anoxygenic photosynthesis
5 human pathogens that are members of Peoteobacteria: Rickettsia: Rocky mountain, Nisseria- gonera, Legionella-Leigonnaires, Vibro-cholera, Samonella
Two spore-forming bacteria found in Firmicutes: Clostridium (gangrene & Tetnus) & Bacillus (anthrax & botulisim)
Define obligate intracellular paracites invade human cells and reproduce inside - can't do it on their own
How do spirochetes move? They have flagella that beat and cause bacteria to wiggle like corkscrew
found in both terrestrial and aquatic habitats. It causes bioleaching, a process that can be either beneficial or environmentally damaging, depending on the circumstances. Thiobacillus
coliforms Facultative, nonspore-forming, Gram-negative rods that ferment lactose, producing acid and gas within 48 hours at 35oC; because most typically reside in the intestine they are used as indicators of fecal pollution.
Obligate aerobes generate energy exclusively by respiration; none can use fermentation as an alternative.
Pseudomonas Gram-negative rod-shaped bacteria that are widespread in nature and have extremely diverse metabolic capabilities. Pseudomonas aeruginosa is a common opportunistic pathogen.
Methanogens group of Archaea that generate energy by oxidizing hydrogen gas (H2), using CO2 as a terminal electron acceptor
bacteriochlorophyll Type of chlorophyll used by purple and green bacteria; absorbs wavelengths of light that penetrate to greater depths and are not used by other photosynthetic organisms.
Rhizobia gram negative that fix nitrogen and form relationships with legumes
Characteristics of Clostridium: 1) They are Gram-positive rods 2) They are anaerobic
Agrobacterium Ti plasmids
Created by: sloanie32
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