Question

which factor best explains why lipids are important components of waterproof coatings of organisms?
lipid molecules are polar and generally soluble in water.
lipid molecules are polar and generally not soluble in water.
lipid molecules are nonpolar and generally not soluble in water.
lipid molecules are nonpolar and generally soluble in water.

Explanation:

Lipids are non - polar and water - repellent due to their structure, making them good for waterproofing.

Answer:

Lipid molecules are nonpolar and generally not soluble in water.