Biology for IGCSE & O level - Movement Into And Out Of Cells (Section 4 - No. 13)
How does active transport differ from facilitated diffusion?
Active transport moves molecules down a concentration gradient; facilitated diffusion moves molecules against a concentration gradient.
Active transport requires energy, while facilitated diffusion does not.
Active transport uses channel proteins, while facilitated diffusion uses carrier proteins.
Active transport moves water molecules, while facilitated diffusion moves other substances.
Explanation
Active transport uses energy (ATP), while facilitated diffusion does not.
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