Enzymes lower the amount of activation energy needed for a chemical reaction to take place. in the picture above, an enzyme inhibitor has been placed between the enzyme and the substrate. which of the following ideas best explains what is happening in the picture. the substrate will be able to bond with the enzyme and the reaction will take place. the stubstrate will be unable to attach to the enzyme the immune system will see the enzyme as a foreign invader and attack it. the enzyme will be unable to produce more enzymes.