Lipid bilayer

Definition

noun

Phospholipids organized in two layers wherein their hydrophobic tails are projecting inward while their polar head groups are projecting outward


Supplement

The lipid bilayer is used to describe the membranes of animal and plant cells in which the organization of the phospholipids are essential in cell membrane functions, such as the selective permeability to ions and molecules between the cell and the environment. The lipid bilayer of the cell membranes of many animals and plants have proteins dispersed or interspersed on the lipid bilayer. This organization functions primarily in the selective transport of molecules in and out of the cell.


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