How does the presence of a polysaccharide capsule in bacteria affect B cell activation?

• A. It serves as a T independent antigen that can activate B cells without helper T cells.
• B. It prevents any activation of B cells by masking antigens.
• C. It has no effect on B cell activation pathways.
• D. It only activates B cells in conjunction with MHC class 2 molecules.

Answer: (A)