Essential Biochemistry - Cell And Membrane Transport (Section 3 - No. 16)
What are the main differences between facilitated diffusion and simple diffusion?
Simple diffusion uses a channel protein and facilitated diffusion uses a carrier protein.
Simple diffusion requires no energy and facilitated diffusion requires energy.
Facilitated diffusion involves a transport protein and simple diffusion does not.
Facilitated diffusion transports materials along a concentration gradient and simple diffusion can transport materials against a concentration gradient.
Explanation
The key difference is the involvement of a transport protein in facilitated diffusion.
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