試題詳解

31. Which of the following statements about a plot of Vo vs. [S] for an enzyme that follows Michaelis-Menten kinetics is   false  ?
(A) As [S] increases, the initial velocity of reaction Vo also increases.
(B) At very high [S], the velocity curve becomes a horizontal line that intersects the y-axis at Km.
(C) Km is the [S] at which V₁ = 1/2 max.
(D) The shape of the curve is a hyperbola.

(E) The y-axis is a rate term with units of mM/min.