Question

Why does the rate of reaction decrease after the optimal temperature, in this case, is reached?

A. The enzyme's active site has changed shape

B. The enzyme has done it's job so it doesn't work anymore

C. The substrate has changed shape

Answer 1

A. The enzyme's active site has changed shape

Step-by-step explanation:

The rate of reaction decrease after the optimal temperature, when the enzyme's active site has changed shape.