According to widely accepted "fluid mosaic model" cell membranes are semifluid, where lipids and integral proteins can diffuse randomly. In recent years, this model has been modified in several respects. In this regard, which of the following statements is incorrect?

Step-by-step solution

According to this model, plasma membrane is formed of "protein icebergs in the sea of lipids." The phospholipid form a bilayer which is interrupted by the embedded protein molecules. The amount of proteins varies in different membranes. The phospholipid bilayer is a twodimensional fluid which allows the movement of proteins and phospholipid. The phospholipid molecules show two types of movements in this layer. (i) Transition Movement: Change in the position of molecules within the same layer. (ii) Flip-flop Movemen