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What is the definition of the Fluid Mosaic Model?

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2015-09-24 22:04:35
2015-09-24 22:04:35

Simply put, the fluid mosaic model is a description of the membrane of a cell. The fluid part refers to the phospholipids of a cell membrane, which, like liquid, flow. The mosaic part refers to proteins embedded in the phospholipid bilayer that act as conduits through which molecules enter and exit the cell.

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The currently accepted model of cell membrane structure, which envisions the membrane as a mosaic of individually inserted protein molecules drifting laterally in a fluid bilayer of phospholipids.

Fluid mosaic is a term used to describe the current model of the cell membrane.

Cell membranes are basically double layers (bilayers) of molecules called phospholipids. 'Floating' in the phospholipid bilayer are molecules of protein. a mosaic is a structure made up of many different parts. Viewed from above the membrane would look something like a mosaic - a 'sea' of lipid with many 'islands' of protein.

The lipid bilayer is not rigid, and the lipid and protein molecules are able to move sideways in the membrane i.e. the membrane is fluid.

This model of the cell membrane was proposed by Singer and Nicolson in 1972, and has been supported by many experiments since then.
model for cell membrane given by SJ singer and GL Nicholoson

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Related Questions


The Fluid-Mosaic-Model describes the structure of the plasma membrane as a mosaic of components that gives the membrane a fluid character. The founders are S.J. Singer and Garth L. Nicolson.



a model of plasma membrane of cell


it is called that because albert mosaic improved to active the latest model.


The fluid mosaic model is a model of membrane structure; according to this model, membranes are composed of a double layer of phospholipids in which various proteins are embedded. The phospholipid bilayer is a somewhat fluid matrix that allows the movement of proteins within it.


The fluid mosaic model serves to describe the cell membrane and how it functions. The 'fluid' describes its nature, rather than being solid, and the 'mosaic' describes its many and different parts, such as proteins, phospholipids, and in some cases cholesterol.



False; the fluid mosaic model describes the plasma membrane as a flexible boundary of a cell.


The fluid mosaic model describes the plasma membrane of animal cells as being flexible. It was conceived by Garth Nicolson and S.J. Singer in 1972.


The fluid mosaic model is the most widely accepted model for the structure of unit membrane. It gives proper explanation to the structure as well as functionality of unit membrane.


Fluid refers for the frequent lateral movement of phospholipids within the membrane. Mosaic refers to the collage of intrinsic proteins that stud the membrane.


Nicolson and singer discovered it


The structure of the cell membrane.



Structural model of the plasma membrane is called 'Fluid Mosaic Model'.


The lipids molecules that form the membrane are fluid. They can move about relative to one another in a fluid manner. Some of the proteins are also free to move about so that the mosaic or pattern of lipids and proteins changes. Because of these characteristics scientists call their model of the dynamic cell membrane the fluid the fluid mosaic model.



give the components of the cell membrane






Singer and Nicholson proposed the model in 1972.



Phospholipid bilayer (& fluid mosaic).



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