Evaluate the impact of hydrophobic regions in lipids on their structural diversity.

• A. Hydrophobic regions limit the structural diversity of lipids.
• B. Hydrophobic regions are irrelevant to lipid structure.
• C. Hydrophobic regions only affect the solubility of lipids, not their structure.
• D. Hydrophobic regions contribute to the diverse structures by allowing various interactions with water and other molecules.

Answer: (D)