A Lineweaver-Burk Plot is shown below. 30 Curve A y = 3.1207x + 2.4978 20 15 Curve B y = 1.0003x + 2.3602 10 5 -3 -1 1 3 5 7 9. 11 -5 1/[Catechol] (mM²) With these curves, determine the following enzyme parameters. Show all pertinent solutions. Km of Curve A and Curve B b. Vmax of Curve A and Curve B c. Assuming that one of these curves corresponds to the kinetics of one enzyme and one substrate, which curve represents the effect of an inhibitor? Why do you say so? d. What type of inhibition is exhibited by your answer in question c? Why do you say so? a. 1/V, (units of activity ') 25

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Chapter1: Biochemistry: An Evolving Science
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1. A Lineweaver-Burk Plot is shown below.
30
25
Curve A
y = 3.1207x + 2.4978
20
15
Curve B
y = 1.0003x + 2.3602
10
5
-3
1
5
7
11
1/[Catechol] (mM1)
With these curves, determine the following enzyme parameters. Show all pertinent solutions.
a. Km of Curve A and Curve B
b. Vmax of Curve A and Curve B
c. Assuming that one of these curves corresponds to the kinetics of one enzyme and one substrate, which curve
represents the effect of an inhibitor? Why do you say so?
d. What type of inhibition is exhibited by your answer in question c? Why do you say so?
1/V, (units of activity 1)
Transcribed Image Text:1. A Lineweaver-Burk Plot is shown below. 30 25 Curve A y = 3.1207x + 2.4978 20 15 Curve B y = 1.0003x + 2.3602 10 5 -3 1 5 7 11 1/[Catechol] (mM1) With these curves, determine the following enzyme parameters. Show all pertinent solutions. a. Km of Curve A and Curve B b. Vmax of Curve A and Curve B c. Assuming that one of these curves corresponds to the kinetics of one enzyme and one substrate, which curve represents the effect of an inhibitor? Why do you say so? d. What type of inhibition is exhibited by your answer in question c? Why do you say so? 1/V, (units of activity 1)
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