Enzymes are ineffective after heating because they are:
A) Proteins, and heat changes their physical shape
B) Carbohydrates and heat dissolves them
C) Too acidic
D) Bound to an acid
E) None of these

Question

Quizplus · Accepted Answer

Enzymes are proteins, and their function is highly dependent on their three-dimensional structure. Heating can denature proteins, which means it can change their structure and, as a result, their ability to catalyze reactions. This is why enzymes become ineffective after being exposed to high temperatures.

Enzymes Are Ineffective After Heating Because They Are