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
DIENES phenomenon s used for 
Select and explain. 
A. Mycoplasma, B. Chlamydiae, C. Plague, D. Diptheria
A: Mycoplasma
Answer: A: Mycoplasma 
Explanation: None