A) regulation.
B) catalytic activity.
C) ability to change ΔG.
D) specificity.
E) none is true.

A) They work by lowering the energy of activation.
B) The average energy of the reaction is unchanged.
C) They combine transiently with the reactants promoting a reactive transition state condition.
D) They are regenerated after each reaction cycle.
E) All are true.

A) The average free energy of the product formed.
B) The rate of a chemical reaction in relationship to the concentration of reactant molecules.
C) The energy required to raise the average energy of one mole of reactant to the transition state energy.
D) The amount of energy released by a spontaneous reaction.
E) The lowest point on a free energy diagram.