Respuesta :

ZJSG09112007

Answer:

According to research ,

cellular membranes (e.g  plasma membranes  internal membranes) :

are made of glycerophospholipids, molecules composed of glycerol, a phosphate group, and two fatty acid chains.

Glycerol is a three-carbon molecule that functions as the backbone of these membrane lipids.

Explanation:
Part of the cell membrane is a phospholipid bilayer, made of two layers of phospholipid molecules. However, the cell membrane also contains other macromolecules like membrane proteins, and carbohydrates.

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