40. You are trying to characterize the kinetic properties of a newly identified enzyme. Which is the most reasonable first kinetic plot to obtain? (Abbreviation used: total enzyme concentration (); substrate concentration ([S]); concentration of enzyme-substrate complex ([ES]); initial velocity ; time (T)) (A) plot vs [ET] (B) plot vs [ES] (C) plot vs [S] (D) plot vs T (E) plot vs 1/T