a. Answer true or false to the following statements based on the graphic: Enzymes interact with many different substrates. b. Enzymes change shape after a reaction occurs. An enzyme can be reused with a new substrate. d. The substrate is changed in the reaction. If the shape of the enzyme changed, it would no longer work. f. When all substrates are used, the reaction stops. 2. Enzymes speed up the reaction by lowering the activation