Synthesize the information on sphingolipid classification to determine the impact of a new head group on its function.

• A. A new head group will decrease the sphingolipid's ability to form bilayers.
• B. A new head group can redefine the sphingolipid's role in cellular signaling and membrane structure.
• C. A new head group will only affect the sphingolipid's solubility.
• D. A new head group has no impact on the sphingolipid's classification.

Answer: (B)