Question

What is the Unit membrane model of the plasma membrane?

Answer 1

Currently, the most accepted model for cell membrane is fluid mosaic model proposed by S.J.Singer and G.L.Nicolson (1972). According to this model, the plasma membrane contains a bimolecular lipid layer, both surfaces of which are interrupted by protein molecules.

Answer 2

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• The unit membrane concept that says that all membranes have an underlying bilayer composed of phospholipids was originally proposed by Danielli and Davson in 1935.
• This concept extends to a wide variety of membranes from different organisms, each of which has a specific function.