Which of the Following Statements Relative to the Maximum Velocity

question 113

Multiple Choice

Which of the following statements relative to the maximum velocity (Vmax) of an enzyme catalyzed reaction (assayed under conditions of excess substrate) is correct?

• A) Vmax is equal to twice the Km.
• B) Vmax is directly proportional to the concentration of the substrate.
• C) Vmax is reached when the concentration of the enzyme-substrate complex is equal to the original concentration of the enzyme.
• D) Vmax is reached if an enzyme concentration is used that is at least ten times higher than the Km.
• E) Vmax is independent of the enzyme concentration.

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