. 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.

 

 

Best Answer

Explanation :

  • 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.

 

 

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