Which of the Following Statements Is NOT Characteristic of K_cat/K_m

question 35

Multiple Choice

Which of the following statements is NOT characteristic of k_cat/K_m?

• A) It corresponds to a second-order rate constant.
• B) It provides an excellent parameter for comparison of the catalytic efficiency of enzymes.
• C) It reflects the property of the enzyme when substrate concentration is at saturation.
• D) The upper limit for the k_cat/K_m value is fixed by the diffusion-controlled limit for reactions, which is 10⁹ M−¹ s−¹.
• E) It is also referred to as the turnover number.

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