State the fluid mosaic model in one line?

Explanation

**Step-by-Step Text Solution:**

1. **Understanding the Fluid Mosaic Model**: The fluid mosaic model describes the structure of the plasma membrane of cells. It illustrates how various components are organized within the membrane.

2. **Key Contributors**: This model was proposed by scientists Singer and Nicholson in 1972, highlighting the dynamic nature of the cell membrane.

3. **Components of the Model**: The model emphasizes that the membrane consists of a phospholipid bilayer, where phospholipids are arranged in two layers.

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