Enzymes and Kinetics – Section 2

11. The slope of Lineweaver Burk plot for the Michaelis Menten equation is

A. Vmax/Km
B. Km/Vmax
C. 1/Km
D. Km.Vmax

Correct Answer: B. Km/Vmax

12. The initial velocity, V0, of an enzyme-catalyzed reaction reaches Vmax as

A. [S] = KM
B. [S] = 10 * KM
C. 1/[S] = 1/KM
D. 1/[S] → 0

Correct Answer: D. 1/[S] → 0

13. The usual method(s) to solve rate equation of simple enzyme kinetics is/are

D. Michaelis Menten approach
B. Briggs-Haldane approach
C. Numerical solution approach
D. all of these

Correct Answer: D. all of these

14. Michaelis Menten equation can also be written as

A. (-Cs)/r = (Cs/rmax)+(Km/rmax)
B. 1/r = (1/rmax)+(Km/(rmax.Cs))
C. r = rmax-(Km.r/Cs)
D. All of these

Correct Answer: D. All of these

15. Which of the following step is assumed to be the slowest step in the Michaelis Menten equation?

A. The substrate consuming step
B. The product releasing step
C. Formation of the enzyme-substrate complex
D. None of these

Correct Answer: B. The product releasing step

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