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 statements are true regarding Chlamydia except - 
Select and explain. 
A. Erthromycin is effective for therapy of Chamydial infections, B. Their cell wall lacks a peptidoglycan layer, C. They can grow in cell free culture media, D. They are obligate intracellular bacteria
C: They can grow in cell free culture media
Answer: C: They can grow in cell free culture media 
Explanation: None