Term
What does Kliger's Iron Agar test for? |
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Definition
ability to ferment glucose and/or lactose, H2S production, and gas production |
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Term
If the bacteria contains the enzyme cysteine desulfurase, what can you expect from the KIA tube? |
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Definition
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Term
How can gas fermentation be determined in a KIA tube? |
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Definition
cracks or lifting of the slant |
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Term
What is OF Glucose used to determine? |
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Definition
if bacteria can use glucose in an oxidative (aerobic) or fermentative (anaerobic) condition |
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Term
Which two tests is E. coli positive for? |
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Definition
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Term
Which two tests is E. aerogenes positive for? |
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Definition
Voges-Proskauer and Citrate |
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Term
For a motility media test, what is the indicator for growing bacteria? |
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Definition
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Term
What indicates growth on motility media? |
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Definition
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Term
What indicates motility in motility media? |
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Definition
red colour away from inoculation |
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Term
What colour is a Bismuth Sulfide Agar (BSA)? |
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Definition
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Term
What microorganism produces a black or very dark brown colour on BSA? |
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Definition
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Term
What is brilliant green agar (BGA) used to indicate? |
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Definition
lactose/sucrose fermentation |
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Term
What colour will lactose/sucrose fermenting organisms turn BGA agar? |
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Definition
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Term
What colour will non-lactose/sucrose fermentors produce in BGA? |
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Definition
opaque red/pink/white colonies and turn surrounding media red |
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Term
What colour will Salmonella turn SS agar? |
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Definition
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Term
What colour will Shigella colonies be on SS agar? |
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Definition
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Term
If a colony is lactose positive on SS agar, what colour will it appear? |
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Definition
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Term
What does desoxycholate citrate test for? |
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Definition
gram neg and lactose neg microorganisms
(some lactose + will turn red) |
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Term
What happens to the plasma in a coagulase positive test? |
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Definition
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Term
What does Phenol Red Manitol Salt Agar (MSA) test for? |
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Definition
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Term
What is the salt concentration in both MSA and Staph 110? |
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Definition
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Term
What colour will the MSA plate and colonies turn if the organism is mannitol positive? |
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Definition
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Term
What colour will the Staph 10 medium and colonies turn if it is mannitol positive? |
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Definition
none; it will have a natural colour |
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Term
What does DNAse test for? |
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Definition
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Term
What can be observed in a DNAse plate if the microorganism is DNase positive? |
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Definition
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Term
What can be added to DNase to see a positive DNase test? |
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Definition
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Term
What does M-staphylococcus contain? |
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Definition
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Term
What does M-staphylococcus broth select for and why? |
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Definition
Staphylococcus, because staph prefers high salt concentration |
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Term
What gram type does Endo agar select for? |
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Definition
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Term
What is endo agar differential for? |
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Definition
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Term
What colour are the colonies and the surrounding medium in a lactose positive Endo agar? |
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Definition
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