whether lipid or protein can flip flop?
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The fluid mosaic model was originally proposed by S. Jonathan Singer and Garth Nicolson in 1972. Their idea of this model was to show and describe the general structure of a biological membrane. Biological membrane is composed of a lipid bilayer" that is essentially a two-dimensional solution composed of lipids and proteins. The lipid bilayer functions as both a solvent for integral proteins as well as a permeability barrier.
To break down each part of the name of the model: The fluidity of the model is based on the hydrophobic components like proteins and lipids. These two components allow for the membrane to have a fluid motion since it is not solid; it is not made of only one type of macromolecule. The mosaic part of the name of the model is based on the fact that mosaics are created by using different pieces to obtain an overall picture. The mosaic model consists of not just one type of integral component but rather multiple (such as glycoproteins or phospholipids). Because of the model being made of different pieces, it creates a mosaic, hence the name.
To break down each part of the name of the model: The fluidity of the model is based on the hydrophobic components like proteins and lipids. These two components allow for the membrane to have a fluid motion since it is not solid; it is not made of only one type of macromolecule. The mosaic part of the name of the model is based on the fact that mosaics are created by using different pieces to obtain an overall picture. The mosaic model consists of not just one type of integral component but rather multiple (such as glycoproteins or phospholipids). Because of the model being made of different pieces, it creates a mosaic, hence the name.
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