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Michaelis-Menten Equation quiz #1 Flashcards

Michaelis-Menten Equation quiz #1
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  • What is the Michaelis-Menten equation, and which variables does it relate in enzyme kinetics?
    The Michaelis-Menten equation is a mathematical model that describes the initial reaction rate (V0) of an enzyme-catalyzed reaction as a function of substrate concentration. It relates V0 to the substrate concentration, the maximum reaction velocity (Vmax), and the Michaelis constant (Km).
  • What is the shape of the curve in a Michaelis-Menten plot, and how does the equation reflect this shape?
    The curve in a Michaelis-Menten plot is a rectangular hyperbola. The Michaelis-Menten equation reflects this shape by adapting the general equation for a rectangular hyperbola, substituting enzyme kinetics variables for the general terms.
  • What does the Michaelis-Menten equation mathematically describe in enzyme kinetics?
    It describes the initial reaction rate (V0) of an enzyme-catalyzed reaction as a function of substrate concentration, Vmax, and Km.
  • Which variables are related by the Michaelis-Menten equation?
    The equation relates the initial reaction velocity (V0), substrate concentration, maximum reaction velocity (Vmax), and the Michaelis constant (Km).
  • What is plotted on the x-axis and y-axis of a Michaelis-Menten plot?
    The x-axis shows substrate concentration, and the y-axis shows the initial reaction rate (V0).
  • What is the specific name for the shape of the curve in a Michaelis-Menten plot?
    The curve is called a rectangular hyperbola.
  • How does the Michaelis-Menten equation relate to the general equation for a rectangular hyperbola?
    It substitutes enzyme kinetics variables (V0, Vmax, Km, and substrate concentration) into the general rectangular hyperbola equation.
  • In the Michaelis-Menten equation, what does 'y' from the rectangular hyperbola equation correspond to?
    'y' corresponds to the initial reaction rate (V0) in enzyme kinetics.
  • What does the variable 'a' in the rectangular hyperbola equation become in the Michaelis-Menten equation?
    'a' is replaced by the maximum reaction velocity (Vmax).
  • Why is understanding the Michaelis-Menten equation important in enzyme kinetics?
    It allows calculation of initial reaction velocities and other variables, provided the necessary values are known.