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Review4 - Thegreatertheac*va*onbarrierforareac*on A B C D E...

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The greater the ac*va*on barrier for a reac*on A. The slower the reac*on goes B. The faster a reac*on goes C. The less favorable a reac*on is D. A and C E. None of the above
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For alcohol dehydrogenase, EtOH has a kcat/Km = 10,000 M ‐1 s ‐1 , MeOH has a kcat/Km = 1000 M ‐1 s ‐1 . A. EtOH is a beJer substrate B. MeOH is a beJer substrate C. Need to know the Km’s to decide D. Need to know the Vmax’s to decide E. C and D
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The diffusion limit is A. 1 M ‐1 s ‐1 B. 1000 M ‐1 s ‐1 C. 100,000 M ‐1 s ‐1 D. 100,000,000 M ‐1 s ‐1
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The Michaelis constant for a substrate A. Can be used to determine the Kd B. Defines how well a substrate is recognized C. Is the substrate concentra*on at which the enzyme is running at 0.5 x Vmax D. All of the above E. None of the above
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In chymotrypsin, Ser195 contributes to the rate enhancement via A. Intrinsic binding energy B. Acid/base catalysis C. Covalent catalysis D. Electrosta*c catalysis
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In a well‐behaved enzymology experiment, substrate u*liza*on is _______ with respect to *me A. Linear B. Hyperbolic C. Sigmoidal D. Exponen*al
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In a serine protease, Asp performs ____ catalysis
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