This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
[{'content': 'All are propeies of single electrical synapse except \nSelect and explain. \nA. Rectification, B. Amplification, C. Inhibition, D. Summation', 'role': 'user'}, {'content': 'Answer: B \nExplanation: .', 'role': 'assistant'}]