Biology 5090 · O Level · Enzyme action

Enzyme action — practice question

During an industrial process, milk is allowed to flow over jelly beads that contain the enzyme lactase. As the milk moves across the beads, it will make contact with lactase. By point X, all digestion of the milk has been completed. What is collected at X?

  • Amilk containing glucose and lactose
  • Bmilk containing sugars but no lactose
  • Cmilk containing lactose only
  • Dmilk containing lactase but no sugars

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