In water, phospholipids form a two-layer structure. Based on the structure of the phospholipid, explain how a bilipid layer is formed in water.

Hydrophobic tails of lipid molecules bind to each other and form a bilipid layer. The hydrophilic heads of the bilipid layer are in contact with the external or internal environment. The bilipid membrane, or rather its deep hydrophobic layer, performs a barrier function, preventing the penetration of water and dissolved substances, as well as large molecules and particles.

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