What are the implications of sphingosine's trans double bond compared to the common cis configuration in other unsaturated fatty acids?

• A. The trans double bond in sphingosine has no impact on its structural properties.
• B. The trans double bond in sphingosine is less stable than cis double bonds.
• C. The trans double bond in sphingosine provides a more linear structure, affecting membrane packing and fluidity.
• D. The trans double bond in sphingosine makes it more flexible than cis double bonds.

Answer: (C)