What is the primary purpose of the urease test?
Microbiology: Urea Test

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Science, Chemistry, Biology, Health Sciences
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To identify the presence of gram-positive bacteria
To measure the oxygen consumption of bacteria
To check if bacteria can break down urea
To determine if bacteria can ferment lactose
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the enzyme urease do in the urease test?
It ferments lactose into lactic acid
It oxidizes glucose into carbon dioxide
It converts ammonia into urea
It breaks down urea into carbon dioxide and ammonia
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does phenol red indicate a change in pH during the urease test?
It turns green in neutral conditions
It turns yellow in acidic and hot pink in alkaline conditions
It remains colorless in alkaline conditions
It turns blue in acidic conditions
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which bacteria can be distinguished using the urease test?
Lactobacillus, Clostridium, and Bacteroides
Staphylococcus, Streptococcus, and Bacillus
Salmonella, Shigella, and Proteus
Escherichia coli, Salmonella, and Shigella
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What color change indicates the presence of Proteus in the urease test?
Yellow
Hot pink
Green
Blue
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