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
The following is true for Mycoplasmas except - 
Select and explain. 
A. Multiply by binary fission., B. Are sensitive to beta-lactam group of drugs., C. Can grow in cell free media., D. Require sterols for their growth
B: Are sensitive to beta-lactam group of drugs.
Answer: B: Are sensitive to beta-lactam group of drugs. 
Explanation: None