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The two sides of the plasma membrane have different lipid and protein composition. EXPLANATION: Because the membrane serves different functions on the cytoplasmic and exterior surfaces, the structure and composition of the surfaces must be different. 2 Which of the following best describes the structure of a biological membrane? two layers of phospholipids with proteins either crossing the layers or on the surface of the layers explanation:
What arrangement did Gorter and Grendel suggest for lipids in the cell membrane? a. a single layer of lipids. b. a lipid bilayer with phospholipid tails facing the water on each surface of the membrane. c. a lipid bilayer with phospholipid heads facing the water on each surface of the membrane. d. a lipid trilayer with phospholipid heads facing the water on each surface of the membrane. e. a protein bilayer.