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State whether the following is true or false.
A cell wall and a plasma membrane serve the same function.

  • A.True only at large scales
  • B.False only at small scales
  • C.True
  • D.False

Answer: D

The membrane controls what enters and leaves and is selectively permeable; the wall is a rigid outer support that is freely permeable to most small molecules. A walled cell possesses both structures, each doing a quite different job from the other.

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