
Concept explainers
To determine: The direction of net movement of particles along their concentration gradient.
Concept introduction: Diffusion is a process that is characterized by the net transfer of molecules down a concentration gradient that results in the unsystematic movement of particles. There are two main types of diffusion namely simple diffusion and facilitated diffusion.
To determine: Whether the direction of the net movement of particles along their concentration gradient would be different in facilitated diffusion when compared with simple diffusion.
Concept introduction: Diffusion is a process that is characterized by the net transfer of molecules down a concentration gradient that results in the unsystematic movement of particles. There are two main types of diffusion namely simple diffusion and facilitated diffusion.

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Chapter 5 Solutions
Biology (MindTap Course List)
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