Enzymes Are Highly Sensitive to PH and Temperature Because

Multiple Choice

Enzymes are highly sensitive to pH and temperature because

A) changes in the environment raise their activation energy.
B) changes in temperature and pH readily break their peptide bonds.
C) pH and temperature affect their three-dimensional structure and their side chain chemistry.
D) at extreme temperatures and pH levels, coenzymes add chemical groups to the substrate.
E) extremes of temperature and pH level change their ionization rate.