This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
Which of the following is derived from tyrosine ? 
Select and explain. 
A. Melatonin, B. Serotonin, C. Melanin, D. Niacin
C: Melanin
Answer: C: Melanin 
Explanation: Ans. is 'c' i.e., Melanin Tyrosine is a precursor of many impoant compounds such as catecholamines (epinephrine, norepinephrine ), dopamine), thyroxine, triiodothryonine, melanin.