Enzymes are immobilised in alginate beads by dripping a mixture of enzyme and sodium alginate into

  1. hydrochloric acid
  2. calcium chloride solution
  3. distilled water
  4. sodium hydroxide
Answer

B) calcium chloride solution

Calcium ions set the alginate. AS & A Level Biology · Topic 3 Enzymes · 3.2 Factors that affect enzyme action

Biology MCQ · More A Level Biology: Enzymes MCQs · Practise