the kinetics of an enzyme were analyzed in the absence of inhibitors, as well as in the presence of inhibitor A and inhibitor B. Using the given data below, construct or calculate the following (make sure the label graphs with appropriate axes and equations, and circle final answers)       plot 1[S] as abscissa and 1/v as ordinate for both catalyzed reaction and reaction with inhibitor. Use the same graph for both plots   Calculate the; Km of enzyme in the reaction without inhibitor Km of the enzyme in the reaction with inhibitor (A dnB) Vmax of the uninhibited reaction  Vmax of the inhibited reaction (A and B)   What kind of inhibitor (A and B) was added to the enzyme-catalyzed reaction? Explain in terms of changes in Km and Vmax

Essentials of Pharmacology for Health Professions
7th Edition
ISBN:9781305441620
Author:WOODROW
Publisher:WOODROW
Chapter9: Administration By The Parenteral Route
Section: Chapter Questions
Problem 16CRQ
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the kinetics of an enzyme were analyzed in the absence of inhibitors, as well as in the presence of inhibitor A and inhibitor B. Using the given data below, construct or calculate the following (make sure the label graphs with appropriate axes and equations, and circle final answers)

 

 

 


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

 

Calculate the;

  • Km of enzyme in the reaction without inhibitor
  • Km of the enzyme in the reaction with inhibitor (A dnB)
  • Vmax of the uninhibited reaction 
  • Vmax of the inhibited reaction (A and B)

 

What kind of inhibitor (A and B) was added to the enzyme-catalyzed reaction? Explain in terms of changes in Km and Vmax

 

 

 

 

 

 



No Inhibitor
Inhibitor A
Inhibitor B
[S] mM
Vo (mmol/min) V, (mmol/min)
V2 (mmol/min)
3
3.90
2.40
1.29
6.00
3.60
2.40
12
8.40
5.10
3.90
24
10.8
6.60
6.30
36
12.0
7.20
8.55
Transcribed Image Text:No Inhibitor Inhibitor A Inhibitor B [S] mM Vo (mmol/min) V, (mmol/min) V2 (mmol/min) 3 3.90 2.40 1.29 6.00 3.60 2.40 12 8.40 5.10 3.90 24 10.8 6.60 6.30 36 12.0 7.20 8.55
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