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Microbio - Chap 7

QuestionAnswer
prokaryotic cell shape determined by cell wall
Treponema pallidum spirochete
4 stages of Treponema pallidum Primary, secondary, latent, tertiary
primary stage of Treponema pallidum chancre
secondary of Treponema pallidum rash
latent of Treponema pallidum 1-20 years asyptomatic
tertiary of Treponema pallidum lesions on organs/bones
TORCH toxoplasmosis, other (syphillus hepB, HIV, chlamydia), rubella, cytomegalo cirus, herpes simplex
Treponema vincentii spirochetes
Borrelia burgdorferi spirochetes
Borrelia burgdorferi does what regarding other diseases? MIMICS THEM
does Borrelia burgdorferi disseminate throughout the body? YES
photosynthetic pigments on plasma membrane are called (2) chromatophores, thylakoids
osmotic pressure the pressure needed to stop the movement of water across the membrane
aquaporins water channels
hypertonic lyse
hypotonic crenation
plasmid carries what kind of genes? nonessential
prok have 70s ribosomes? YES
metachromatic/volutin inclusions phosphate reserves
polysaccharide inclusions energy reserves
lipid inclusions energy reserves
sulfur inclusions energy reserves
carboxysome inclusions used for CO2 fixation
gas inclusions protein-covered cylinders
endospore dormant state of vegetative bacterial cell
what 2 gram POSITIVE rod cells form endospores? Bacillus, Clostridium
Is Bacillus aerobic? where is spore? YES, middle
Is Clostridium anaerobic? where is spore? YES, polar
sporulation endospore formation
germination return to vegetative state
steps of forming endospore? (6) spore "septum" forms, plasma membrane surrounds newly replicated DNA, septum surrounds isolated portion, peptidoglycan forms on isolated portion, spore coat forms on peptidoglycan, endospore is freed
endotoxin (lipid A) of gram NEGATIVE is released when? when cell dies
EXOtoxin (3 types) cytotoxin, neurotoxin, enterotoxin (cell, nerve, GI tract)
Bacillus anthracis endospore
does Bacillus anthracis have a capsule? YES
3 types of anthrax? cutaneous, pulmonary, GI
Bacillus cereus endospore
Clostridium tetani endospore
Clostridium botulinum endospore
botox is? botulinum toxin
Clostridium perfringens endospore
Clostridium difficile endospore
Created by: ngrable
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