This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Proteins and Amino Acids, Subject name: Biochemistry
Dopamine is synthesized from: 
Select and explain. 
A. Tryptophan, B. Threonine, C. Tyrosine, D. Lysine
C: Tyrosine
Answer: C: Tyrosine 
Explanation: Ans. C. TyrosineMetabolic products formed from Tyrosine are:MelaninThyroxineCatecholamines (Dopamine, Epinephrine, Norepinephrine)Albinism is due to Defect in Tyrosinase