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A positive reaction for albumin in the biuret test occurs because albumin contains peptide bonds, which the biuret reagent detects. The reagent contains copper ions that bind to these peptide bonds, resulting in a color change, typically to violet or purple. This reaction indicates the presence of proteins, specifically those containing multiple peptide bonds, like albumin. Therefore, a positive biuret test confirms the presence of protein in the sample.
What else can I help you with?
Result for Heller's test positive reaction?
Heller's test is used to clinically detect the presence of albumin (protein) in urine.
Will albumin give positive result to Benedict test?
No, albumin will not give a positive result to the Benedict test. The Benedict test is used to detect the presence of reducing sugars such as glucose, fructose, and maltose, not proteins like albumin.
Is albumin positive to xanthoproteic test?
Yes, albumin is positive to the xanthoproteic test. The xanthoproteic test is used to detect the presence of proteins containing aromatic amino acids, such as albumin, by forming a yellow color when treated with nitric acid.
Why does albumin and pepsin test positive for protein?
Albumin and pepsin test positive for protein because they are proteins themselves. Proteins can be detected using various biochemical tests that target specific protein characteristics, such as their amino acid sequences or ability to react with certain reagents.
Why albumin gives positive Molisch test?
Because it is a carbohydrates and molisch test will be positive in the presence of carbohydrates
Is egg albumin positive to millon test?
Yes, egg albumin is positive for the Millon's test due to the presence of aromatic amino acids like tyrosine, which react with Millon's reagent to produce a red color.
Would albumin give a positive biuret test?
Hey. okay.. the biuret test is a test for peptide bonds. when CuSO4 is added to KOH, an alkaline solution, nitrogen atoms from the peptide bond forms a purple compound with the Cu2+ ions. hope this helps! read it in a text book.
Does bacillus subtilis have a positive reaction for ONPG Test?
yes it have positive reaction for ONPG test
Do albumin gives a positive xanthoproteic test?
I reckon the answer would be that phenol has a hydroxyl group (-OH) which is bonded to a phenyl ring. It yields the same positive result like tyrosine which has a hydroxyl group bonded to its phenyl ring.
Why egg albumin gives the negative result for molisch test?
Egg albumin gives a negative result for the Molisch test because it does not contain carbohydrates. The Molisch test is used to detect the presence of carbohydrates, and since egg albumin consists mainly of proteins with little to no carbohydrates, it does not react with the reagents used in the Molisch test to give a positive result.
What is S Albumin test?
The serum albumin test is a blood test that measures the levels of albumin, a protein produced by the liver, in the blood. It is used to assess a person's nutritional status, liver function, and kidney function. Abnormal levels of albumin can indicate various medical conditions.
What is the results biuret test for egg albumin?
The biuret test for egg albumin would give a positive result, showing a violet color change, indicating the presence of peptide bonds in the protein structure. This test is used to confirm the presence of proteins in a solution based on the color change that occurs in the presence of peptide bonds.
