Which of the following characteristics is not related to the amphoteric nature of amino acids?

Zwitter ion formation

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Maintenance of pH of body fluids

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Response of amino acids to electric field

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Formation of peptide linkage

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Solution

The correct option is D Formation of peptide linkage
Amphoteric nature of amino acids is due to prescence of both acidic( COOH) and basic group( $N H_{2}$ ). The formation of peptide bond(-CONH) however is not related to the amphoteric nature of peptides.

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Similar questions

(a) What are essential and non-essential amino acids? Give two examples of each type.

(b) Define the following as related to proteins

(i) Peptide linkage (ii) Primary structure (iii) Denaturation.

\begin{matrix} H^{2} | H_{2} N^{1} & - & C & - & C O O H^{3} | R^{4} \end{matrix}

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