<prompt> Enzymes increase reaction rates byAltering the free energy of the actionInhibiting the backward reactionEnhancing the forward reactionDecreasing the energy of activation  <response>: MECHANISM OF ENZYME ACTIONExplained by different theories:Lowering of activation energyMichaelis-Menten theoryFischers Template theoryKoshlands Induced Fit theory.Lowering of Activation EnergyEnzymes lower the activation energy. Activation energy is defined as the energy required to convert all molecules of a reacting substance from ground state to transition state. 