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Composed of a phospholipid bilayer.
Hydrophilic heads and lipophilic tails on the phospholipids.
Answer:
A compound contains atoms of different elements chemically combined together in a fixed ratio. A mixture is a combination of two or more substances where there is no chemical combination or reaction. ... Mixtures contain different elements and compounds but the ratio is not fixed nor are they combined via chemical bonds.
Explanation:
The word that you are looking for is complex.