The enymatic rate constant (kcat/Km) of orotidine 5ʹ-phosphate decarboxylase is 6 x 10⁷ M^-1s^-1 and the nonenzymatic rate constant (kn) is 3 x 10^-16 s^-1.  What is the value of the enzymeʹs catalytic proficiency?

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#Question id: 569

#Section 2: General Biology

A small molecule that decreases the activity of an enzyme by binding to a site other than the catalytic site is termed a(n):

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#Question id: 570

#Section 2: General Biology

Which of the following is true for allosteric enzymes

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#Question id: 571

#Section 2: General Biology

The steady state assumption, as applied to enzyme kinetics, implies:

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#Question id: 572

#Section 2: General Biology

Which of the following has not been shown to play a role in determining the specificity of protein kinases?

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#Question id: 573

#Section 2: General Biology

How is trypsinogen converted to trypsin?

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#Question id: 574

#Section 2: General Biology

Which of the following statements is FALSE?