A graph of enzyme activity against pH is a curve with a peak. The peak shows the

  1. denaturing pH
  2. optimum pH
  3. substrate concentration
  4. active site
Answer

B) optimum pH

Fastest rate = optimum pH. O Level Biology · Topic 5 Enzymes · 5.2 Effects of temperature and pH

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