An enzymes catalyzed reaction is studied in the presence and absence of an inhibitor. The following data was obtained in the image provided. Plot 1/[S] as abscissa and 1/V as ordinate for both catalyzed reactions and reaction with inhibitor. Use the same graph for both plots Calculate the following: Km of enzyme in the reaction without inhibitor Km' of the enzyme in the reation with inhibitor Vmax of the uninhibited reaction Vmax of the inhibited reaction What kind of inhibitor was added to the enzyme catalyzed reaction? Explain your answer in terms of changes in Km and Vmax.

Curren'S Math For Meds: Dosages & Sol
11th Edition
ISBN:9781305143531
Author:CURREN
Publisher:CURREN
Chapter6: Oral Medication Labels And Dosage Calculation
Section: Chapter Questions
Problem 7.2P
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An enzymes catalyzed reaction is studied in the presence and absence of an inhibitor. The following data was obtained in the image provided.

 

Plot 1/[S] as abscissa and 1/V as ordinate for both catalyzed reactions and reaction with inhibitor. Use the same graph for both plots

Calculate the following:

  • Km of enzyme in the reaction without inhibitor
  • Km' of the enzyme in the reation with inhibitor
  • Vmax of the uninhibited reaction
  • Vmax of the inhibited reaction

What kind of inhibitor was added to the enzyme catalyzed reaction? Explain your answer in terms of changes in Km and Vmax.

[S] (M)
6 x 106
V (umol/min)
V (+ inhibitor) (umol/min)
20.8
12
1 x 105
2 x 105
6 x 10
1.8 x 10
29
15
45
20
67.6
24
87
28
Transcribed Image Text:[S] (M) 6 x 106 V (umol/min) V (+ inhibitor) (umol/min) 20.8 12 1 x 105 2 x 105 6 x 10 1.8 x 10 29 15 45 20 67.6 24 87 28
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