Biology 9700 · AS & A Level · Mode of action of enzymes

Mode of action of enzymes — practice question

Some extracellular protease enzymes are made in an inactive form known as zymogen. Zymogen is changed into the active protease in the Golgi body. What is the purpose of making zymogen before it is converted into the extracellular protease?

  • Ato avoid unwanted digestion of proteins inside the cell
  • Bto avoid unwanted digestion of proteins outside the cell
  • Cto catalyse digestion of proteins in the cytoplasm
  • Dto catalyse digestion of proteins in the rough endoplasmic reticulum

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