0
Is enterococcus faecalis positive or negative with the urea broth test?
Wiki User
∙ 13y ago
It is urease positive .It possesses the enzymes urease which hydrolyses urea to form ammonia. As a result the pH of the medium used for detection of urease enzyme (Urea Broth) increases and shows bright pink colour, since phenol red is bright pink in alkaline conditions.
Wiki User
∙ 10y ago
Wiki User
∙ 13y agoNegative, something like Micrococcus Luteus would be positive. If positive the it means the urea can produce pneumonia with the bacteria and the broth would turn a hot pink color. We had to test seven different organisms and the Urea broth was one of the test.
Wiki User
∙ 15y agoIt should be positive because S. aureus will partially hydrolyze urea and raise the pH so if the pH is raised, a color change should occur thus making your results positive
Wiki User
∙ 14y agonegative
Add your answer:
Earn +20 pts
Is broth has agar?
no, broth stands for liquid and agar is used as solidifying agent so broth is not containig agar.
What is broth made out of?
Broth is traditionally made by simmering meat in water, often with vegetables and herbs. This flavored liquid is then used for a variety of culinary purposes. In the past, the term “broth” was only used to refer to meat-based liquids. Today, however, vegetable broth has become very common. Australian Bone Broth
Is it necessary to cook the nutrient broth?
To destroy any competitors for the broth, fungi and bacteria.
What is the function of tryptone in Luria Bertani broth?
tryptone is a source of peptides and peptones in LB broth
Why is broth sterlized?
i dont no
Does chicken broth test positive for starch?
No, it doesn't.
Why is the MPN test qualitative?
The test is considered qualitative because you are looking for a negative or a positive test . A example is looking for change of colour in the brilliant green bile broth tubes.
Does a micrococcus luteus is positive for capsule stain?
yes as it have capsule it give positive test for capsule staining when stain with malachite green The problem with the above answer is that a capsule stain is NOT done with malachite green.
What are the results for Pseudomonas aeruginosa in phenol red broth?
Negative for both. Pseudomonas does not ferment sugars.
Can chicken broth cause salmonella?
Yes, if the chicken used in the broth has salmonella, then it is possible that the broth will have it as well.
How do you use broth in a sentence?
i want chicken broth
What is soup broth made of?
Soup broth is usually made from meat or vegetable broth. The broth is made by boiling meat or vegetables in water. They are then removed from the water, which flavored by the cooking food, becomes what is called broth.
Is broth has agar?
no, broth stands for liquid and agar is used as solidifying agent so broth is not containig agar.
What is low sodium broth?
Many brands of beef or chicken broth will market a “standard” or “regular” broth, as well as a low-sodium version. The biggest and most obvious difference between the two options is that the reduced-sodium broth has less sodium in it than the “regular” broth. AustralianBoneBroth
Is there a sentence with broth in it?
Chicken broth is needed in the Thanksgiving gravy.
Is chicken broth clear broth?
Chicken broth can be pretty clear, but may be a bit cloudy and is usually a yellowish color.
Explain the results in the sterilized and not-sterilized broth?
Sterilized broth is clear, meaning no bacterial growth. Non-sterilized broth is cloudy.
