a. Write out the Michaelis-Menten and Lineweaver-Burke equations b. Plot all of the data on one plot as Michaelis-Menten saturation curves c. Plot all of the data on one plot in the Lineweaver-Burk format d. Define Km and Vmax e. Mathematically determine the Km and Vmax in the absence and in the presence of inhibitors f. Determine what type of inhibitors A and B are

Curren'S Math For Meds: Dosages & Sol
11th Edition
ISBN:9781305143531
Author:CURREN
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Chapter9: Parenteral Medication Labels And Dosage Calculation
Section: Chapter Questions
Problem 7.7P
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please help me answer  question 2 on the attached worksheet 

Name:
CHEMISTRY 333
Kinetics Practice Problems
1.
Consider the following set of data and answer the following questions:
V (umol/min)
[S] (M)
6 x 106
1 x 10
2 x 105
6 x 105
1.8 x 10
V (+ inhibitor) (umol/min)
20.8
12
-5
29
15
45
20
67.6
24
87
28
a. Plot the data on a Lineweaver-Burk plot (be sure to label axes)
b. Determine the Km
c. Determine the Vmax
d. The second set of velocities represents the rate of the reaction when
an inhibitor is added. Plot these data on the same graph as above
and determine the new Km and Vmax and the type of inhibitor
(competitive, uncompetitive, non-competitive).
e. Can the effects of the inhibitor be over-ridden by adding more
substrate? Why?
2.
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 to label graphs
with appropriate axes and equations, and circle final answers):
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
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
a. Write out the Michaelis-Menten and Lineweaver-Burke equations
b. Plot all of the data on one plot as Michaelis-Menten saturation curves
c. Plot all of the data on one plot in the Lineweaver-Burk format
d. Define Km and Vmax
e. Mathematically determine the Km and Vmax in the absence and in the
presence of inhibitors
f. Determine what type of inhibitors A and B are
Transcribed Image Text:Name: CHEMISTRY 333 Kinetics Practice Problems 1. Consider the following set of data and answer the following questions: V (umol/min) [S] (M) 6 x 106 1 x 10 2 x 105 6 x 105 1.8 x 10 V (+ inhibitor) (umol/min) 20.8 12 -5 29 15 45 20 67.6 24 87 28 a. Plot the data on a Lineweaver-Burk plot (be sure to label axes) b. Determine the Km c. Determine the Vmax d. The second set of velocities represents the rate of the reaction when an inhibitor is added. Plot these data on the same graph as above and determine the new Km and Vmax and the type of inhibitor (competitive, uncompetitive, non-competitive). e. Can the effects of the inhibitor be over-ridden by adding more substrate? Why? 2. 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 to label graphs with appropriate axes and equations, and circle final answers): 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 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 a. Write out the Michaelis-Menten and Lineweaver-Burke equations b. Plot all of the data on one plot as Michaelis-Menten saturation curves c. Plot all of the data on one plot in the Lineweaver-Burk format d. Define Km and Vmax e. Mathematically determine the Km and Vmax in the absence and in the presence of inhibitors f. Determine what type of inhibitors A and B are
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