Which Statement Is NOT True

Multiple Choice

Which statement is NOT true?

A) Membranes are often perforated by proteins that extend through both sides of the membrane.
B) Some membranes have proteins with channels that allow for the passage of hydrophilic substances.
C) Hydrophilic substances have an easier time passing through membranes than do hydrophobic substances.
D) The current concept of a membrane is best summarized by the fluid mosaic model.
E) All of these.