Question

According to widely accepted "Fluid mosaic model" cell membranes are semi-fluid, 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 [CBSE PMT 2005]
A) Proteins in cell membranes can travel with in the lipid bilayer
B) Proteins can also undergo flip-flap movements in the lipid bilayer
C) Proteins can remain confined within certain domains of the membrane
D) Many proteins remain completely embedded within the lipid bilayer

Answer 1

According to widely accepted "Fluid mosaic model" cell membranes are semi-fluid, where lipids and integral proteins can diffuse randomly. In recent years, this model has been modified in several respects.

➡️ Many proteins remain completely embedded within the lipid bilayer

Answer 2

Hello friend
Correct answer is (d)


Thanks dear