Which of the following statements is TRUE concerning the fluid mosaic model?
A) The phospholipids rotate across the bilayer from one face to the other.
B) Small water soluble molecules move freely across the bilayer.
C) The phospholipids form a rigid structure.
D) The integrated proteins are firmly cemented in place relative to each other.
E) Membrane proteins are free to move in two dimensions in the bilayer.

Question

Quizplus · Accepted Answer

The fluid mosaic model describes the cell membrane as a flexible layer made of lipid molecules interspersed with large protein molecules that act as channels through which other molecules enter and leave the cell. Membrane proteins can move laterally within the lipid bilayer, allowing for fluidity and flexibility.

Which of the Following Statements Is TRUE Concerning the Fluid