What Must Be True If K_M Is Truly a Measure

question 20

Multiple Choice

What must be true if K_M is truly a measure of the affinity of enzyme and substrate?

• A)k_cat must be larger than K_M
• B)k_cat must be smaller than K_M
• C)k_cat must be about equal to k₁
• D)k_cat must be much smaller than k_-1
• E)k_cat must be much larger than k_-1

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