18 Which statement is true about enzyme activity? L. The amount of glucose produced per ml in the reaction mixture per unit time II. Temperature, pH, enzyme concentration, substrate concentration, and the presence of any inhibitors or activators are the tasteding met II The rate of an enzyme-catalysed reaction increases as the temperature is raised TV. Extremely high or low pH values generally result in complete loss of activity for most enzymes Answer oll and me 11. III and IV 1. I and IV Lllll and IV