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
Which one of the following needs cholesterol and other lipids for growth - 
Select and explain. 
A. Mycobacterium TB, B. Chlamydia, C. Hemophilus, D. Mycoplasma
D: Mycoplasma
Answer: D: Mycoplasma 
Explanation: Ans. is 'd' i.e., Mycoplasma . Unique among prokaryotes is the requirement of most mycoplasma for cholesterol and related sterols, which are incorporated in their surface membrane.