Evaluate the impact of having one fatty acid versus two fatty acids in membrane lipids on their biological function.

• A. Membrane lipids with one fatty acid are more rigid and less permeable, which is beneficial for structural integrity.
• B. Membrane lipids with two fatty acids are more flexible and permeable, which is beneficial for structural integrity.
• C. Membrane lipids with two fatty acids are more rigid and less permeable, which is beneficial for structural integrity.
• D. Membrane lipids with one fatty acid are more flexible and permeable, which is beneficial for structural integrity.

Answer: (A)