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It means that the bacterial organism uses the butylene glycol pathway; producing acetoin (acetylmethylcarbinol). This specific compound is produced only by bacteria that utilize this pathway. Usually (but not always) a positive Voges-Proskauer (VP) test indicates the organism is negative for the methyl red (MR) test. Both the MR and VP tests are usually done using the same culture; after dividing it into two equal volumes.
What else can I help you with?
Does pepsin test positive in biuret test?
Pepsin does not test positive in the biuret test. The biuret test is used to detect the presence of proteins in a solution, which contain peptide bonds. Pepsin is an enzyme that breaks down proteins into smaller peptides, so it does not give a positive result in the biuret test.
Does bacillus subtilis have a positive reaction for ONPG Test?
yes it have positive reaction for ONPG test
What does a positive Molisch's test on an unknown substance indicate?
A positive Molisch's test result indicates the presence of carbohydrates.
Is fehling test positive for gluconic acid?
No. Fehling's test is positive for glucose which forms gluconic acid as the product.
Do eggs test positive in benedicts test?
Yes, eggs can test positive in the Benedict's test because they contain glucose, which is a reducing sugar that reacts with the reagent in the test to form a colored precipitate.
Can bacterium test positive on a drug test?
If you mean Bactrim, the answer is no.
Will xanaz make you test positive foe meth?
Assuming you mean Xanex, you will not test positive for meth. Xanex is a benodiazapine so you will test positive for those.
Will Widal Test after positive resul after treatment in Typhoid?
I mean widal test result positive after treatment
What does not positive mean on blood screen result?
A test is "positive" when the test has found what it's looking for. A test that hasn't found anything is usually called a "negative". Not positive is a bit odd, but it too would mean that the test didn's find what it was looking for.
What does it mean to be tested positive?
It means that you are pregnant.
What does a positive pregnancy test mean?
It means that you are pregnant.
What does positive Faber bilaterally test mean?
Mean postive FABER - (Flexion, Abduction, External Rotation) test
My ept test showed dots where the positive was suppose to be so does that mean it is positive or negative?
Contact the company it could be a faulty test.
What does a reactive HIV test mean?
It means that the test was positive for HIV.
What does plus sign mean on ept pregnancy test?
It means you have a positive pregnancy test.
What does preliminary mean in a home drug test?
THC positive.
What does weak positive pregnancy blood test mean?
weak pregnancy blood test mean the pregnancy is liable to abort
