Biochemistry Proteins and Amino Acids 695139f1 Dopamine is synthesized from: A Tryptophan B Threonine C Tyrosine D Lysine High-Yield Explanation Ans. C. TyrosineMetabolic products formed from Tyrosine are:MelaninThyroxineCatecholamines (Dopamine, Epinephrine, Norepinephrine)Albinism is due to Defect in Tyrosinase