Q. 44.3( 6 Votes )

An aminoacid unde A. Acidic form

B. Basic form

C. Aromatic form

D. Zwitterionic form

Answer :

At physiological pH, -COOH group dissociates to form a negatively charged carboxylate ion –COO- and amino acid gets protonated to form positively charged NH3+ forming zwitter ion.

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