While furthering your studies of iocane powder you determine that a ceular enzyme, iocase will degrade it. Under normal conditions, iocase shows km 0f 1.85 uM and a kcat of 76. The drug sildenafil was found to have no effect on the km of iocanse yet the kcat was found to drop 58 minutes^-1, when the drug was added and no other changes were made in the reaction conditions. What can be inferred from this data? (remember kcat = vmax/et) Sildenafil acts as an uncompetitive inhibitor of iocanse Sildenafil acts as a noncompetitive inhibitor of iocanse The effect of sildenafil could be countered by adding more iocane to the reaction The y-intercept of the sildenafil inhibited iocanse would appear to be lower on a Lineweaver burke plot as compared to uninhibited iocanase The slope of a Lineweaver burke plot of the inhibited versus uninhibited iocanase would remain unchanged
While furthering your studies of iocane powder you determine that a ceular enzyme, iocase will degrade it. Under normal conditions, iocase shows km 0f 1.85 uM and a kcat of 76. The drug sildenafil was found to have no effect on the km of iocanse yet the kcat was found to drop 58 minutes^-1, when the drug was added and no other changes were made in the reaction conditions. What can be inferred from this data? (remember kcat = vmax/et) Sildenafil acts as an uncompetitive inhibitor of iocanse Sildenafil acts as a noncompetitive inhibitor of iocanse The effect of sildenafil could be countered by adding more iocane to the reaction The y-intercept of the sildenafil inhibited iocanse would appear to be lower on a Lineweaver burke plot as compared to uninhibited iocanase The slope of a Lineweaver burke plot of the inhibited versus uninhibited iocanase would remain unchanged
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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While furthering your studies of iocane powder you determine that a ceular enzyme, iocase will degrade it. Under normal conditions, iocase shows km 0f 1.85 uM and a kcat of 76. The drug sildenafil was found to have no effect on the km of iocanse yet the kcat was found to drop 58 minutes^-1, when the drug was added and no other changes were made in the reaction conditions. What can be inferred from this data? (remember kcat = vmax/et)
- Sildenafil acts as an uncompetitive inhibitor of iocanse
- Sildenafil acts as a noncompetitive inhibitor of iocanse
- The effect of sildenafil could be countered by adding more iocane to the reaction
- The y-intercept of the sildenafil inhibited iocanse would appear to be lower on a Lineweaver burke plot as compared to uninhibited iocanase
- The slope of a Lineweaver burke plot of the inhibited versus uninhibited iocanase would remain unchanged
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