This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Transport Across Cell Membrane, Subject name: Physiology
[{'content': 'Movement of substances prevented across intercellular space by- \nSelect and explain. \nA. Zona adherens, B. Tight junction, C. Gap junction, D. Desmosomes', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Tight junction", 'role': 'assistant'}]