How might altering the length of fatty acid chains in phospholipids affect membrane properties?

• A. Longer fatty acid chains increase membrane rigidity and decrease permeability.
• B. Chain length in phospholipids has no effect on membrane properties.
• C. Longer fatty acid chains increase membrane fluidity and permeability.
• D. Shorter fatty acid chains increase membrane rigidity and decrease permeability.

Answer: (A)