BIOLOGY
AMINO ACIDS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which test will you use for the presence of protein?
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Iodine test
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Benedicts test
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Ethanol Emulsion test
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Biurets test
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Explanation:
Detailed explanation-1: -The biuret test is a chemical test that can be used to check for the presence of peptide bonds in a given analyte. Therefore, the biuret test can also be used to gauge the amount of protein present in the analyte.
Detailed explanation-2: -Biuret Reagents Copper sulphate (CuSO4), sodium hydroxide (NaOH), and sodium-potassium tartrate are used to make the biuret reagent (also known as Rochelle salt).
Detailed explanation-3: -Biuret reagent is an alkaline solution of 1% CuSO4, copper sulfate. The violet color is a positive test for the presence of protein, and the intensity of the color is proportional to the number of peptide bonds in the solution.
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