What Is a Key Characteristic of Enzyme Behavior

Multiple Choice

What is a key characteristic of enzyme behavior?  

A) Enzyme shape is stable during catalysis.
B) The active site of an enzyme orients its substrate molecules, thereby promoting interaction of their reactive parts.
C) All enzymes have an active site where coenzymes are temporarily bound.
D) Each enzyme can catalyze multiple types of reactions.
E) Enzyme activity is not affected by pH and temperature.