Question

15. The reaction given by two or more peptide linkages is
(a) Biuret test (b) Ninhydrin test (c) Xanthoproteic reaction (d) Pauley's test.​

Answer 1

Answer:

Hey mate your answer is option is A.

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Answer 2

Answer:

OPTION (A) Biuret Test

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.
2. The biuret reagent contains copper(II) which further binds itself to nitrogen atoms of protein peptides.
3. Copper(II) will thus get reduced to copper(I).
4. The chemical reaction between copper(II) ions and nitrogen atoms of the peptide bond leads to displacement of the peptide hydrogen under alkaline conditions).
5. Hence, the reaction given by two or more peptide linkages is called the biuret test.

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