1.

Amino acids usually exist in the form of zwitter ion which consist of :(a) the basic group-NH2 and the acidic group -COOH(b) the acidic group -N+H3 and the basic group COO-(c) the acidic group -COO+ and the acidic group NH3-(d) acidic or basic group

Answer»

Option : (b) the acidic group -N+H3 and the basic group COO-



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