During the reaction, the

Question

will be attached to the active site. After reaction, the
leaves the enzyme complex.
Question 2
(1 point)

Answer 1

It looks like you have a fill-in-the-blank question regarding enzyme activity. Typically, in the context of an enzyme-catalyzed reaction:

During the reaction, the substrate will be attached to the active site. After the reaction, the product leaves the enzyme complex.

If you have further questions or need more information, feel free to ask!