This problem should be done by each individual.  As before, 1 point for trying, 
2 points if you get it essentially correct.

Before we forget about enzyme kinetics completely, I'd like you to try another 
kinetic plot that can be used to determine Vm and Km.  It is called a Cornish-
Bowden plot.

Set up your axes as if you were going to do a direct v vs S hyperbolic plot.  
Instead of plotting a point on the graph at each v,S coordinate, though, plot 
each v and corresponding S value on the corresponding axis.  (say the velocity 
was 2.1 at a substrate concentration of 5.0, then you would put a point on the v 
axis at 2.1 and a point on the S axis at 5.0.  Then connect these two points 
with a straight line, extending the line into the negative S quadrant.  Make a 
separate line for each v and S combination.  Note where the lines cross, if they 
do.

Can you figure out how to get Vm and Km from this graph?

Use the v vs S data from problem 3 of pretest 2 (data without the inhibitor).  
Graph it this way, explain how you get Vm and Km from the graph, and turn the 
graph in by Monday, July 7.