Chloroplasts are isolated in an ice-cold, isotonic buffer to

  1. kill the chloroplasts
  2. increase photosynthesis
  3. remove chlorophyll
  4. reduce enzyme activity and prevent osmotic damage
Answer

D) reduce enzyme activity and prevent osmotic damage

Cold, isotonic and buffered. AS & A Level Biology · Topic 13 Photosynthesis · 13.2 Investigation of limiting factors

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