The plasma membrane

A. is not permeable.
B. regulates movement of materials into and out of the cell.
C. has a single layer of phospholipids.
D. is a rigid protein membrane.
E. separates the nucleus from the rest of the cell.


B

Anatomy & Physiology

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The phospholipids of the plasma membrane Orient with the hydrophobic regions toward the extracellular compartment, restricting the entry of water - soluble substances Prevent the loss of water soluble components of the intracellular compartment Orient with the hydrophilic parts facing the intracellular and extracellular compartments Orient with their hydrophobic portions directed towards the interior of the membrane, between the hydrophilic heads

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