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Type: Multiple-Choice
Category: Cell Structure and Function
Level: Grade 9
Score: 15
Tags: cell membrane
Author: PMISIAS
Last Modified: 6 months ago

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Cell Structure and Function Question

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Grade 9 Cell Structure and Function

The concentration of sodium is usually higher on the inside of neurons, compared to outside. Sodium will move outside of neurons through the assistance of a small protein in the neuron cell membrane. What type of transport is needed for sodium to move outside of neurons?
  1. simple diffusion
  2. active transport
  3. facilitated diffusion
  4. osmosis
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