Term
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Definition
Transmissible spongiform encephalopathies |
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Term
What does "prion" allegedly stand for? |
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Definition
Proteinaceous infectious agent |
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Term
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Definition
Lag phase, exponential growth, stationary phase, decline phase |
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Term
Other names for the exponential growth phase |
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Definition
Log, generation time, doubling time |
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Term
pH requirements of most clinically significant bacteria |
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Definition
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Term
Temperature requirements of clinically significant bacteria |
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Definition
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Term
Where does agar come from? |
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Definition
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Term
Where does gelatin come from? |
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Definition
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Term
What is Mueller-Hinton media used for? |
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Definition
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Term
What is thioglycolate broth used for? |
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Definition
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Term
4 types of Blood Agar hemolysis |
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Definition
Beta, Alpha, Gamma, Delta |
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Term
Morphology of blood agar with beta hemolysis |
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Definition
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Term
Morphology of blood agar with alpha hemolysis |
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Definition
Partial hemolysis or "greening" of agar |
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Term
Morphology of blood agar with gamma hemolysis |
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Definition
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Term
Morphology of blood agar with delta hemolysis |
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Definition
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Term
Examples of selective/differential media |
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Definition
MacConkey (selects for G-) Simmons Citrate (diffs bacterial that uses citrate) |
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Term
How does MacConkey media work? |
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Definition
Crystal violet suppresses gram positive |
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Term
What does the Simmons Citrate test do, and how is the test read? |
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Definition
Differentiates between bacteria that do and do not use citrate. Starts green, turns blue if positive. |
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Term
What is brain-heart infusion broth used for? |
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Definition
Blood culture (septicemia) |
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Term
What happens to brain-heart infusion broth if Strep. bacteria is present? |
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Definition
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Term
Which bacteria causes black leg in livestock? |
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Definition
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Term
What are the three locations for spores to form? Give an example of a disease with each appearance. |
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Definition
Central (anthrax) Subterminal (black leg) Terminal (tetanus) |
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Term
What is a suprainfection? |
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Definition
A secondary infection caused by an opportunistic pathogen |
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Term
Which bacteria would you not gram stain for? |
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Definition
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Term
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Definition
Helps determine predominate organism in a mixed specimen (e.g. fecal smear)
Helps select appropriate anti-bacterial drugs |
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Term
What does a pink background indicate on a gram stained slide? |
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Definition
Excessive proteinaceous material |
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Term
Under gram stain, what color should epithelial cells be? |
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Definition
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Term
Under gram stain, what color should WBCs be? |
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Definition
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Term
What do you look for in a gram stained fecal smear? |
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Definition
Proportion of G+ to G- bacteria. Should be mostly G+ |
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Term
Which test should be done for "gram variable" bacteria? |
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Definition
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Term
What happens to a KOH test of G- bacteria? |
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Definition
Turns boogery ("mucoid, strand-like") |
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Term
What happens to a KOH test of G+ bacteria? |
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Definition
Mixture remains homogenous |
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Term
Why would you stain a slide with Lactophenol blue? |
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Definition
To confirm and identify fungi |
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Term
How does lactophenol blue work? |
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Definition
Phenol kills organisms, lactic acid preserves fungal structures, and cotton blue stains the chitin in the fungal cell walls |
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Term
What do fungal hyphae indicate? |
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Definition
Vegetative state bacteria |
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Term
In which species are we most concerned about aspergillus? |
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Definition
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Term
Which type of yeast is most commonly found in the ears? |
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Definition
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Term
Which type of yeast is most commonly found in mucous membranes? |
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Definition
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Term
What does a positive DTM look like? |
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Definition
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Term
What is the colloquial name of blastomycoses? When is it likely to show up? |
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Definition
Chicago disease
Wet grass in the spring |
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Term
Where would you find histoplasma? |
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Definition
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Term
What do you use Acid Fast stain for? |
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Definition
Mycobacterium, Nocardia, and Cryptosporidium (in reptiles) |
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Term
What do you use Giemsa stain for? |
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Definition
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Term
What do you use Malachite Green for? |
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Definition
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Term
What do you use fluorescent stain for? |
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Definition
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Term
Which bacteria groups are catalase tests peformed on? |
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Definition
Gram positive cocci, a few gram positive bacilli |
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Term
Which genus are Catalase+? |
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Definition
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Term
Which genus are Catalase-? |
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Definition
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Term
Which bacteria groups are coagulase tests used on? |
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Definition
Catalase-positive, gram-positive cocci |
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Term
Which genus is coagulase+? What does the result look like? |
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Definition
Pathogenic Staph. aureus, fibrin clot |
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Term
Which genus is coagulase-? What does the result look like? |
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Definition
Staph. epidermis, stays liquid |
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Term
Which bacteria groups are oxidase tests used on? |
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Definition
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Term
Which genus is Oxidase+? What indicates +? |
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Definition
Pseudomonas (and others), test turns red |
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Term
Which genus are Oxidase-? |
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Definition
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Term
What is a SIM test used for? |
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Definition
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Term
What is a TSI test used for? |
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Definition
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Term
What is a cAMP test used for? |
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Definition
Strep. Hemolyses red cells |
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Term
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Definition
Streptococcus Enterococcus Staphylococcus |
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Term
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Definition
Gram positive Can be single, diploid, chains Commensal gut bacteria, opportunistic pathogens |
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Term
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Definition
Gram positive Usually grapelike clusters Commensal skin/MM bacteria, opportunistic pathogen. Many abx resistant strains |
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Term
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Definition
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Term
What does Moraxella cause? |
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Definition
Infectious bovine keratoconjunctivitis |
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Term
Gram positive bacilli (8) |
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Definition
Bacillus anthracis Clostridium Corynebacterium Listeria Actinomyces Nocardia Erysipelothrix Lactobacillus |
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Term
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Definition
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Term
What does Corynebacterium cause? |
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Definition
Mastitis, ulcerative lymphangitis |
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Term
What does Listeria cause? |
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Definition
Abortions and encephalitis |
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Term
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Definition
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Term
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Definition
Anaerobic Filamentous Causes lumpy jaw |
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Term
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Definition
Partial acid fast Aerobic Filamentous Intracellular 30+ dz species |
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Term
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Definition
Most common in pigs - causes septicemia, "diamond skin pattern" in acute cases Has high mortality. Zoonotic. |
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Term
Gram negative aerobic bacilli (5) Associated diseases |
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Definition
Pseudomonas - pneumonia Brucella - brucellosis Bordetella - kennel cough Francisella - tularemia Neisseria - gonorrhea |
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Term
Gram negative facultative bacilli (12) Associated diseases |
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Definition
Echerichia - NF, E. coli, UTIs Shigella - dysentery Salmonella Klebsiella - NF, pneumonia Enterobacter - NF Citrobacter Yersinia - plague Proteus - UTI Aeromonas - Aquatic Actinobacillus - Lg. animal Haemophilus - oral commensal Pasteurella - rabbits |
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Term
Gram negative anaerobic bacilli (1) |
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Definition
Bacteroides (NF, increasingly Abx resistant) |
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Term
Gram negative pleomorphic bacteria (5) and associated dz |
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Definition
Rickettsia (RMSF) Anaplasma Mycoplasma (rodent resp.) Haemobartonella (aka Mycoplasma) Chlamydia |
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Term
Spirochetes (3) and associated dz |
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Definition
Leptospira Treponema - Syphilis Borrelia - Lyme |
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Term
Spiral/curved bacteria (2) |
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Definition
Campylobacter (GI disease) Helicobacter (ulcers) |
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Term
What kind of bacteria is Bacillus anthracis? |
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Definition
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Term
What kind of bacteria is Clostridium? |
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Definition
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Term
What kind of bacteria is Corynebacterium? |
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Definition
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Term
What kind of bacteria is Listeria? |
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Definition
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Term
What kind of bacteria is Actinomyces? |
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Definition
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Term
What kind of bacteria is Nocardia? |
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Definition
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Term
What kind of bacteria is Erysipelothrix? |
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Definition
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Term
What kind of bacteria is Lactobacillus? |
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Definition
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Term
What kind of bacteria is Pseudomonas? |
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Definition
Gram negative aerobic bacillus |
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Term
What kind of bacteria is Brucella? |
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Definition
Gram negative aerobic bacillus |
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Term
What kind of bacteria is Bordetella? |
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Definition
Gram negative aerobic bacillus |
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Term
What kind of bacteria is Francisella? |
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Definition
Gram negative aerobic bacillus |
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Term
What kind of bacteria is Neisseria? |
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Definition
Gram negative aerobic bacillus |
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Term
What kind of bacteria is Bacteroides? |
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Definition
Gram negative anaerobic bacillus |
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Term
What kind of bacteria is Escherichia? |
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Definition
Gram negative facultative bacillus |
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Term
What kind of bacteria is Shigella? |
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Definition
Gram negative facultative bacillus |
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Term
What kind of bacteria is Salmonella? |
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Definition
Gram negative facultative bacillus |
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Term
What kind of bacteria is Klebsiella? |
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Definition
Gram negative facultative bacillus |
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Term
What kind of bacteria is Enterobacter? |
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Definition
Gram negative facultative bacillus |
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Term
What kind of bacteria is Citrobacter? |
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Definition
Gram negative facultative bacillus |
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Term
What kind of bacteria is Yersinia? |
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Definition
Gram negative facultative bacillus |
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Term
What kind of bacteria is Proteus? |
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Definition
Gram negative facultative bacillus |
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Term
What kind of bacteria is Aeromonas? |
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Definition
Gram negative facultative bacillus |
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Term
What kind of bacteria is Actinobacillus? |
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Definition
Gram negative facultative bacillus |
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Term
What kind of bacteria is Haemophilus? |
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Definition
Gram negative facultative bacillus |
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Term
What kind of bacteria is Pasteurella? |
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Definition
Gram negative facultative bacillus |
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Term
What kind of bacteria is Rickettsia? |
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Definition
Gram negative pleomorphic |
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Term
What kind of bacteria is Anaplasma? |
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Definition
Gram negative pleomorphic |
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Term
What kind of bacteria is Mycoplasma? |
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Definition
Gram negative pleomorphic |
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Term
What kind of bacteria is Chlamydia? |
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Definition
Gram negative pleomorphic |
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