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Key+Quiz+two - 1 NAME Last First BIOLOGICAL SCIENCES 102...

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1 NAME: ____________________________ Last, First BIOLOGICAL SCIENCES 102, SECTION 2 QUIZ TWO November 7, 2011 Fall Quarter Dr. Marilynn Etzler The grades on this quiz ranged from 5 to 36 points out of 36. They were distributed as follows: 30 – 36 = 72 25 – 29 = 41 20 – 24 = 43 15 – 19 = 30 < 15 = 14 The answers to the quiz are shown in red on the following pages. Copyright © UC Regents Davis campus, 2005-11. All Rights Reserved. May not be re-distributed without prior written consent of course instructor.
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2 NAME: ____________________________ Last, First 1. (3 points) The reaction scheme for an enzyme-catalyzed reaction is: k p k 1 E + S ES E + P k -p k- 1 In the derivation of the Michaelis-Menten equation using the steady-state approach what is the relationship of the K m to the rate constants? k -1 + k p K m = k 1 + k -p Do not have to have the circled constant in the denominator. 2. An enzyme with a K m of 2 x 10 -4 M was assayed at an initial substrate concentration of 10 -1 M and had an observed velocity of 175 nmoles/liter/minute. Please answer the following questions: a) (4 points) How much product will be formed after 4 minutes?
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