A competitive inhibitor

  1. permanently denatures the enzyme
  2. increases Vmax
  3. binds to the active site and its effect is reduced by more substrate
  4. binds elsewhere and changes the active site
Answer

C) binds to the active site and its effect is reduced by more substrate

Competitive inhibitors compete for the active site. AS & A Level Biology · Topic 3 Enzymes · 3.2 Factors that affect enzyme action

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