Fluid mosaic model of the plasma membrane was described byJohannes PurkinjeGeorge Emil PaladeCarl BendaSinger and Nicholson

The fluid mosaic model of the plasma membrane is a widely accepted scientific theory that describes the structure of cell membranes. It was proposed by S.J. Singer and Garth L. Nicolson in 1972. This model illustrates the membrane as a mosaic of various components (lipids, proteins, and carbohydrates) that move fluidly within the lipid bilayer. Here are some key points about the model:

1. Fluidity: The lipid bilayer behaves like a two-dimensional fluid, allowing the lipids and proteins to move laterally within the layer, which is essential for various cellular processes.

2. Mosaic Nature: The membrane is called a "mosaic" because of the arrangement of various proteins embedded in or associated with the lipid bilayer, which can vary in size, shape, and function.

3. Functionality: This structure is crucial for functions such as cell signaling, transport of materials in and out of the cell, and interaction with the environment.

In conclusion, the fluid mosaic model was described by S.J. Singer and Garth L. Nicolson and provides an important framework for understanding the dynamic nature of cellular membranes.