Answers.com > Wiki Answers > Categories > Science > Biology > Biochemistry > What amino acids give a positive xanthoproteic test?

What amino acids give a positive xanthoproteic test?

In: Biochemistry [Edit categories]

Answer:

Tyrosine , phenyl alanine, tryptophan

First answer by ID1224538313. Last edit by ID1224538313. Question popularity: 1 [recommend question].

[report abuse]

Can you answer these Biochemistry questions?

	How viruses are concentrated and purified using centrifuge?	Answer it!
	What are the objectives of system design?	Answer it!
	What effect did boiling and freezing have on enzyme activity?	Answer it!
	What are some examples of how radioactive isotopes are useful?	Answer it!
	How do you make a schematic diagram of gene structure?	Answer it!

Do all amino acids give ninhydrin test positive?
These are the amino acids that will yield positive result to the ninhydrin test:Non-polar amino acids:Glycine, Alanine, Valine, Leucine, Isoleucine, Phenylalanine, Methionine, TryptophanPolar Neutral...
Amino acid give positive result to ninhydrin test?
No proline does not give a positive result to ninhydrin test.
Do all amino acids show ninhydrin test positive?
yes
Is there a possibility for lactose to give positive mucic acid test?
Yes! :D Lactose is a dimer (molecule made of 2 similar units) of glucose and galactose. Mucic Acid is a result of the nitric acid oxidation of galactose. So since one of the monomers of lactose is...
Why does glycine test positive on biurets amino acid testing?
It shouldn't test positive. The Biuret test is only positive for a peptide or protein with 2 or more peptide bonds. Glycine is an individual amino acid. You'll see the blue from the Cu2+ with...