This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrine System, Subject name: Physiology
[{'content': 'Which of the following is not a glycoprotein hormone: \nSelect and explain. \nA. TSH, B. FSH, C. LH, D. ACTH', 'role': 'user'}, {'content': "Answer: D \nExplanation: The three pituitary glycoprotein hormones, FSH, LH, and TSH, share a common a subunit that is the product of a single gene and has the same amino acid composition in each hormone, although their carbohydrate residues vary. Also, HCG is a glycoprotein that shares same a subunit. ACTH is a peptide Hormones ending with 'ine' are amides like: Serotonin Dopamine Norepinephrine Epinephrine Thyroxine (T4, T3) Steroids are: Coisol Aldosterone Testosterone Progesterone Estrogen TRH is a smallest peptide of 3 amino acids.", 'role': 'assistant'}]