Multiple Choice Question

Which of the following statements regarding enzyme inhibition is correct?

• A
  Competitive inhibition is seen when a substrate competes with an enzyme for binding to an inhibitor protein
• B
  Non-competitive inhibitors often bind to the enzyme irreversibly
• C
  Competitive inhibition is seen when the substrate and the inhibitor compete for the active site on the enzyme
• D
  Non-competitive inhibition of an enzyme can be overcome by adding large amount of substrate