This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Microbiology
[{'content': 'Albe&;s stain is used for \nSelect and explain. \nA. Staphylococcus, B. Corynebacterium diphtheriae, C. Clostridium Perfringes, D. Clostridium Tetani', 'role': 'user'}, {'content': "Answer: B \nExplanation: Albe 's or Neisser's stain: smears of Corynebacterium diphtheriae when stained with Albe's stain will show the bacilli with metachromatic granules. Delicate green bacilli with purple-blue metachromatic granules can be seen. Bacilli take up stain due to metachromatic granules which are composed of polymetaphosphate and serve as storage granules. Reference: Textbook of Microbiology; Anathanarayan and paniker's; 10th edition; page no 242", 'role': 'assistant'}]