<prompt> Limiting amino acid in wheat are:Lysine, arginineThreonine, methionineLysine, threonineLysine, methionine  <response>: Limiting amino acid in various food stuffs Wheat-lysine the most deficient and threonine second limiting amino acid Rice-lysine Legumes-tryptophan or methionine or cysteine Maize-lysine and tryptophan Egg-none; the reference for absorbable protein 