Biology 5090 · O Level · Diffusion and osmosis

Diffusion and osmosis — practice question

Which term refers to the diffusion of molecules?

  • Amovement from a region of their higher concentration to a region of their lower concentration down a concentration gradient
  • Bmovement from a region of their higher concentration to a region of their lower concentration up a concentration gradient
  • Cmovement from a region of their lower concentration to a region of their higher concentration down a concentration gradient
  • Dmovement from a region of their lower concentration to a region of their higher concentration up a concentration gradient

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