Membranes contain several classes of lipids, such as phospholipids, sphingolipids, sterols, etc. In spite of their many differences, they all
A) can be easily hydrolyzed.
B) easily react with bases but not with acids.
C) can be reduced by strong reducing agents such as sodium.
D) are soluble in nonpolar solvents.
E) are readily soluble in water at 37C.
d) Lipids are always hydrophobic, they are attracted to nonpolar objects, and are easily soluble in nonpolar substances
Source: Campbell Biology Seventh Edition AP Edition