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Type: Multiple-Choice
Category: Cell Structure and Function
Level: Grade 9
Score: 2
Author: der1228
Last Modified: 6 years ago

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Cell Structure and Function Question

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Grade 9 Cell Structure and Function

When the concentration of molecules on both sides of the membrane is the same, what will the the molecules do?
  1. only move across the membrane to the outside of the cell
  2. stop moving across the membrane
  3. move across the membrane in both directions
  4. only move across the membrane to the inside of the cell