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Urea was hydrolyzed with an enzyme at a fixed concentration of 50 μM and the following data were obtained. Using Lineweaver-Burk plot determine the kinetic parameters.
Urea(mM) |
0.10 |
0.20 |
0.30 |
0.40 |
0.50 |
0.60 |
0.7 |
0.80 |
0.90 |
1.00 |
Rate(mMs-1) |
6.25 |
12.5 |
18.8 |
25.0 |
31.2 |
37.5 |
43.7 |
50.0 |
56.2 |
62.5 |
By Michaelis-menten kinetics we know
where v= rate of reactiom is the maximum reaction rate [S] is the substrate concentration .But mathematically to fit this model into experimental data
We take a reciprocal of this equation on both sides we get Thus if we plot 1/v vs 1/[S] we will get a straight line with slope and y-intercept as as the model resembles y=mx+c straight line equation
We get ,we get .Thank You!