Biology 0610 · IGCSE · Diffusion

Diffusion — practice question

The diagram illustrates an experiment carried out at room temperature. A tubing that contains starch, protease, protein and simple sugars is put into distilled water. The membrane allows only small molecules to pass through. What is found in the water outside the membrane after 45 minutes?

  • Aamino acids and simple sugars
  • Bprotein and amino acids
  • Cprotein and simple sugars
  • Dstarch and simple sugars

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