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It comes form the "feed" which the cow is given. Mostly plants, which are high in protein.
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∙ 16y ago
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What tripeptide will give a positive xanthoproteic test?
No, because phenylalanine does not react with the nitric acid in this test.
Is biuret test suitable to test the presence of proteins in the urine?
Yes, the biuret test will indicate the presence of peptides. If it turns violet, it is a positive result.
You are given two test tubes and told that one contains a protein and the other amino acid. Explain fully how you would identify the test tube that contains amino acid?
This may be wrong but I think you could use the biuret test as this would only give a positive result in the test tube with protein in
How would you test milk on a milk chocolate bar?
how would you test for milk in a milk chocolate bar
What color will a peptide bond be after using the Biuret test?
in biuret test the presence of peptide bonds gives a violet color. but it should be noted that a minimum of two peptide bonds should be present in the protein to get a positive answer to this test.
Is casein positive to millon's test?
Yes, because casein is one of the protein that makes up milk. And when milk is denatured (by heat, or by any means), the denatured protein is tyrosine-which is the only protein positive for millon's test.
Why does albumin and pepsin test positive for protein?
Albumin and pepsin are both proteins, the test for proteins was positive.
Can hemp based protein cause a positive ua test?
will hemp protein show positive on drug test
Does skim milk test positive with the benedict's test?
yes
What color is a positive test for protein?
A positive test, when using Biuret reagent, would be purple-ish
What is present with a positive Mantoux?
If you get a positive Mantoux test it means that you have purified protein derivative. This test is used to test for TB or Tuberculosis. If you get a positive test, further testing is required to see if you actually have Tuberculosis.
Can your baby test positive for opiates by drinking mothers breast milk?
no
How can you prove that milk contains protein?
Dry it to a powder and perform the the biuret test on this powder.
Result for Heller's test positive reaction?
Heller's test is used to clinically detect the presence of albumin (protein) in urine.
What components of protein give a positive test with Millon's reagent and on what is this reaction based?
amino acid
Does milk have protein?
Yes predominantly casein. If you ever see curdled milk, the chunks are the protein. There is a lot of protein. If you want to test this take some milk and pour something acidic into it. It will curdle. Sieve out the solid and see how much liquid is left. Milk contains about 3% protein.
Can your girlfriend test positive for THC from swallowing your sperm?
not likely since THC metabolizes and is stored in fat cells while sperm is mostly protein based.
