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Why is it good to run simultaneous tests on known phenylalanine positive and phenylalanine negative organisms?
Wiki User
∙ 9y ago
You will then be able to see how they react together at the same time. You will be able to notice any changes that are going on.
Wiki User
∙ 9y ago
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What is a negative - positive?
Negative * positive = negative Positive * positive = positive Negative * negative = positive
When multiplying numbers what do you do with the positive and negative signs?
Negative * positive = negative Positive * positive = positive Negative * negative = positive
When you divided a negative number by a positive number witth the answer be positive or negative?
A negative divided by a positive is negative. A negative divided by a negative is positive. A positive divided by a positive is positive. A positive divided by a negative is negative.
What does a positive and a neagive equal?
positive and a positive is a positive negative and a negative is a positive to answer your question: positive and a negative is a negative.
What is a negative multiplied by a negative?
negative*negative=positive negative/positive=negative negative\negative=positve negative-positive=change the sign to a plus and then change the number after the sign and get your answer negative +positive=which ever numbr is bigger minus positive+positive=positive
Why phenylalanine give negative result with xanthoproteic test?
Phenylalanine gave a yellow to orange color in xanthoproteic test which means it is positive.
When positive and negative attract which initiate the attraction?
Because the charges are equal in magnitude, the attraction is simultaneous.
How can we differentiate between Salmonella and Proteus mirabilis and why are they are mistaken?
Proteus is phenylalanine deaminase, urease and indole positive Salmonella negative. Proteus swarm on nonselective media, Salmonella does not.
All amino acid having an aromatic ring give a positive xanthoproteic test under identical condition?
yes! but actually for phenylalanine it just weakly positive or negative because the aromatic ring is not activated so it is not give the positive result...phenylalanine need certain condition to give positive result
Over-inoculation of the slide with organisms in a wet mount would be a false positive or false negative?
I believe false positive
Is a positive plus a negative make a positive or a negative?
Positive + Negative = Negative Negative + Negative = Positive Positive + Positive = Positive Negative + Positive = Negative
What is the positive result of pauly's test?
Phenylalanine Tyrosine Tryptophan Histidine
What is a negative - positive?
Negative * positive = negative Positive * positive = positive Negative * negative = positive
How is dividing integers similar to multiplying integers with the resulting sign?
The rules for the sign (positive or negative) of the result of a multiplication is the same as division. For multiplication: Positive * Positive --> Positive Positive * Negative --> Negative Negative * Positive --> Negative Negative * Negative --> Positive For division: Positive / Positive --> Positive Positive / Negative --> Negative Negative / Positive --> Negative Negative / Negative --> Positive
If a negative is divided by a positive is it negative?
Yes. Negative/negative = positive Postive/Positive = positive Negative/Positive - negative
When multiplying numbers what do you do with the positive and negative signs?
Negative * positive = negative Positive * positive = positive Negative * negative = positive
When you divided a negative number by a positive number witth the answer be positive or negative?
A negative divided by a positive is negative. A negative divided by a negative is positive. A positive divided by a positive is positive. A positive divided by a negative is negative.
