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
True about bacterial capsule is following except ? 
Select and explain. 
A. Prevents phagocytosis, B. Stains by Gram stain, C. Protects bacteria from lytic enzymes, D. Lost by repeated subcultures
B: Stains by Gram stain
Answer: B: Stains by Gram stain 
Explanation: Ans. is 'b' i.e., Stains by Gram stain.