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: Microbiology
[{'content': 'To see the bacteria methods used are - \nSelect and explain. \nA. Microscopy, B. Stained preparations, C. Both, D. None', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Both . Individal bacterial cells hard to see because i) They are too small to he seen by naked eye. ii) They are almost transparent . So, to be seen they require? i) Magnification under microscope ii) Staining techniques to produce contrast", 'role': 'assistant'}]