. Select the correct statement from the following
following regarding cell membrane.
A: Na + and K + ions move across cell membrane by passive transport.
B: Proteins make up 60 to 70
C: Lipids are arranged in a bilayer with polar heads towards the inner part.
D: Fluid mosaic model of cell membrane was proposed by Singer and Nicolson.
- In 1972, Singer and Nicolson proposed the fluid mosaic hypothesis to explain cell membrane structure.
- Cell membranes, according to this hypothesis, are quasi-fluid, with a viscous lipid bilayer and proteins dispersed on the surface and inside.
Final Answer :
Hence, the correct answer is option D : Fluid mosaic model of cell membrane was proposed by Singer and Nicolson.