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Type: Multiple-Choice
Category: Cell Structure and Function
Level: Grade 7
Author: raelyndavis
Last Modified: 6 years ago

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Cell Structure and Function Question

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Grade 7 Cell Structure and Function

What is diffusion?
  1. movement of water molecules through a selectively permeable membrane
  2. basic unit of structure and function in living things
  3. molecules moving from an area of low concentration to an area of high concentration
  4. different kinds of tissues functioning together