1. Which of the following can be used as is a reduced form coenzyme? (A) FAD (B) FMN (C) NADP+ (D) NADH (E) CoQ

6. In study of enzyme kinetics, turnover number is defined as the number of substrate molecules converted to product in a given time on a single enzyme molecule when enzyme is saturated with substrate. Which of the following terms is equivalent to turnover number? (A) Km (B) Kd (C) Ka (D) Vmax (E) Kcat