Enzymes Can Lower the Activation Energy of a Chemical Reaction

Multiple Choice

Enzymes can lower the activation energy of a chemical reaction by

A) raising the temperature so that reactants collide more forcefully.
B) properly positioning reactants and stabilizing the transition state.
C) properly positioning reactants and raising the temperature so that reactants collide more forcefully.
D) stabilizing the transition state.
E) properly positioning reactants.