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Q.
Which of the following is the simplest amino acid ?
AIPMTAIPMT 2005Biomolecules
Solution:
Amino acids are the essential constituents of all living cells. They are the building blocks of proteins. Chemically, amino acids are nitrogenous compounds having both-an acidic carboxyl (-COOH) group and a basic amino (-NH,) group. The general structural formula of the amino acids is : side chain common to all a-amino acids Glycine is considered as the simplest amino acid as it has one amino group, one carboxylic group and no substituent functional group.