Is that amino acid is acid?

They are acids because they are electron donors in a chemical bonding. The "amino" part of the name stems from the fact that they all have an amine group ( -NH2 ) at one end.Amino acids are called...

Hydrochloric acid is made up of a hydrogen and one cholride atom i.e, HCl. So there is no chance to have a amino acid in HCl.

The acid part of an amino acid is the functional group "carboxylic acid" (COOH).

Amino acids all contain the carboxyl group (-CO2H), which is acidic. If named by IUPAC nomenclature they would be referred to as acids as well. For example glycine, the simplest amino acid, would be...

Nope. To my knowledge there are only two acidic amino acids: Aspartic acid and glutamic acid.