NEET Botany Cell Membrane MCQ Question
According to the fluid mosaic model proposed by Singer and Nicolson in 1972, what is the approximate number of layers in the phospholipid bilayer of the cell membrane?
2 layers
4 layers
3 layers
1 layer
Correct Answer
Detailed Explanation
The fluid mosaic model describes the cell membrane as a bilayer, consisting of two layers of phospholipids with proteins moving laterally within these layers, which explains the quasi-fluid nature of the membrane.
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