What Is the Primary Difference Between Diffusion and Facilitated Diffusion

question 56

Multiple Choice

What is the primary difference between diffusion and facilitated diffusion?

• A)One is active and the other is passive.
• B)One requires ATP and the other does not.
• C)Diffusion involves the movement of a substance from high concentration to a lower concentration.Facilitated diffusion moves a substance from a lower concentration to a higher concentration.
• D)Facilitated diffusion uses a "helper" molecule to move a substance passively.

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