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Type: Multiple-Choice
Category: Cell Structure and Function
Level: Grade 9
Author: JVance
Last Modified: 2 months ago

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Cell Structure and Function Question

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Grade 9 Cell Structure and Function

What organelle separates the cell contents from the external environment and regulates the flow of materials in and out of the cell?
  1. mitochondria
  2. nuclear membrane
  3. plasma membrane
  4. endoplasmic reticulum
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