Task: Question Answering
Input (English): Question: The binding of an allosteric activator to an allosteric enzyme typically results in: 
 Options:  <1> Decrease the Vmax. <2> The transition to a less soluble state. <3> Decrease the Km by its substrate. <4> The transition to hyperbolic kinetics. <5> The dissociation of its subunits.
Output (English): 3