This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET 2018, Subject name: Biochemistry
[{'content': 'Serotonin is also known as? \nSelect and explain. \nA. 5-hydroxytryptamine (5-HT), B. N-methyl phenylamine, C. 3-Methoxytyramine, D. Phenethylamine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Serotonin is synthesized from Tryptophan Formed by hydroxylation & decarboxylation of tryptophan. Synthesis of melatonin(in Pineal gland) and serotonin Serotonin is a mono-amine neurotransmitter. 5-hydroxytryptophan is also known as Oxitriptan. Melatonin is a product of Tryptophan whereas Melanin is a Product of Tyrosine.', 'role': 'assistant'}]