Acids and Bases

How xanthoproteic acid affect on protein?


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2012-06-09 13:40:00
2012-06-09 13:40:00

Whether xanthoproteic acid is or is harmful to the body

Please explain more

And how he is functioning


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The reaction of a protein (with aromatic rings) with nitric acid produce the yellow xanthoproteic acid.

tyrosine is not the answer the answer is actually impossible to find no scientist ever has been able to test xanthoproteic for protein

Uric acid levels in the blood result from protein consumption; sweets contain very little protein and therefore do not affect uric acid.

The xanthoproteic test is a test for the detection of proteins. If proteins are present, concentrated nitric acid reacts with the proteins to form a yellow color that turns orange-yellow by the addition of alkali. This is called the xanthoproteic reaction.

In this reaction the yellow xanthoproteic acid is formed.

There is no set chemical formula for xanthroproteic acid. It is a yellow nitrophenyl complex that is derived from proteins when they are treated with nitric acid.

It will depend on how different the amino acid is to the one it replaced. If the structure and/or charge is quite different, a change of one amino acid can change the entire 3D structure of the protein. This will affect the proteins function.

The shape of a protein determines its function, and temperature and pH can affect the shape of a protein. The shape of a protein is determined by its amino acid sequence.

Can you describe how the amino acid changes in the protein affects the function of the protein?

research it yourself research it yourself

Protein is a substance, which when digested, becomes amino acid. It is necessary for the body to repair cells and stimulate growth.

Because DNA determines the amino acid sequence of protein, a mutation might cause a change in one amino acid in a protein.

The change in a DNA code changes the RNA code which in turn may change the amino acid produced which could affect the shape of a protein.

Pepsin is a stomach enzyme that disassembles protein strands into amino acid sub-strands by attacking the peptide bond.

Nucleic acid-Nucleotide Protein-Amino Acid Carbohydrate-Monosaccharide

The amino acid sequence is shifted, and this kind of mutation is called a frame shift mutation. All of the amino acid sequence after the mutation will be changed, which will cause a change in shape of the protein, which will then probably result in a nonfunctional protein, since the shape of a protein determines its function.

No, because phenylalanine does not react with the nitric acid in this test.

The xanthoproteic test is used for the determination of soluble proteins in a solution. See the link below.

The sequence of nucleotides in DNA molecule is equivalent and is closely related to an amino acid sequence in the protein molecule. If for any reason the sequence of DNA nucleotides changes it will be reflected in amino acid sequence in the protein. Moreover, the correct sequence of amino acid in the protein will form the correct three-dimensional structure, or tertiary structure, that will confer the biological activity to protein. If a wrong amino acid is translated from a mutated gene in the DNA could change the spatial structure of the protein and therefore modify or erase its biological function.

Proteins are complex molecules, the color reaction is due to groups present in it like benzene ring which is responsible for the yellow precipitate formed with nitric acid (Xanthoproteic test). The principle is nitration of the benzene ring forming a complex colored product which is yellow

Phenylalanine gave a yellow to orange color in xanthoproteic test which means it is positive.

The codon UGU codes for the amino acid Cysteine. The codon UGG codes for the amino acid Tryptophan. Therefore the mutation will cause the amino acid Cysteine to be replaced with Tryptophan. These amino acids are quite different, and the final shape of the protein could be changed as a result. This could affect the function of the protein.

the answer is an amino acid

fatty acidits amino acid

is steroid a carbohydrate, protein lipid or nucleic acid

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