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: Physiology
[{'content': 'Function of phospholipid in cell membrance is: \nSelect and explain. \nA. Cell to cell variation, B. Transduction of Signals, C. Transmembrane preparation of protein, D. DNA replication', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Transduction of signals', 'role': 'assistant'}]