This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Biochemistry
[{'content': 'Oxytocin receptor is:- \nSelect and explain. \nA. Cytokine related receptor, B. G protein coupled receptor, C. Tyrosine kinase receptor, D. Nuclear or cytoplasmic', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Oxytocin receptor is G protein coupled receptors which bound to Gq which activate phospholipase C. Phospholipase C breaks down PIP2 to IP3. IP3 will act as 2nd messenger It helps in mobilization of calcium in sarcoplasmic reticulum and will increase calcium levels in the cell and cause excitatory effects in cells.', 'role': 'assistant'}]