Evaluate the role of sialic acid residues in gangliosides and their impact on cellular interactions.

• A. Sialic acid residues decrease the stability of gangliosides in the membrane.
• B. Sialic acid residues enhance cell-cell recognition and signaling, crucial for neural function.
• C. Sialic acid residues increase the permeability of gangliosides to ions.
• D. Sialic acid residues have no significant impact on ganglioside function.

Answer: (B)