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: Pharmacology
[{'content': 'Insulin acts on \nSelect and explain. \nA. Gs receptor, B. Nuclear receptor, C. Tyrosine kinase receptor, D. Ligand gated receptor', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Insulin, Prolactin, Growth hormone acts on Tyrosine kinase receptors.', 'role': 'assistant'}]