Different amino acids have different number of codons. Most amino acids have more than one codon so we say that the genetic code is degenerate.
Alanine (A, Ala) 4
Cysteine (C, Cys) ...
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...