Biology 0610 · IGCSE · Enzymes

Enzymes — practice question

A student examines how lipase breaks down fats in milk. Four test-tubes, A to D, are prepared. The table gives the contents of each test-tube. In which test-tube will the mixture turn acidic the fastest?

  • Amilk present, bile present, boiled lipase absent, lipase present
  • Bmilk present, bile present, boiled lipase present, lipase absent
  • Cmilk present, bile absent, boiled lipase present, lipase absent
  • Dmilk present, bile absent, boiled lipase absent, lipase present

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