<prompt> Limiting deficient amino acid in Maize is?TryptophanLeucineThreonineMethionine  <response>: LIMITING AMINO ACID is AA deficient in a food item Maize - Tryptophan Lysine Wheat - Threonine Lysine Pulse - Methionine Cysteine Supplementary action of proteins: Two different food items must be eaten together. 