Multiple Choice
Which structure is described as the membrane that surrounds and protects the cell?
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8. Membrane Structure
The Lipid Bilayer
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Which statement best describes the lipid bilayer as it relates to the cell membrane in plant and animal cells?
A
It is the fundamental structural framework of the plasma membrane in both plant and animal cells, consisting mainly of phospholipids arranged in two layers.
B
It is a protein-only sheet that provides selective permeability by forming a continuous pore network.
C
It is a rigid cell wall layer found only in plant cells, composed primarily of cellulose.
D
It is a single layer of triglycerides that stores energy and forms the main barrier around animal cells.
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