Acetazolamide inhibits carbonic anhydrase in a noncompetitive manner, and is used to increase urine output and treat glaucoma, characterized by excessive high pressure within the eyeball. The experimental curves of reaction velocity vs. substrate concentration, (CO₂) in μM, are shown in the graphs below, in the presence and absence of acetazolamide. The Km of carbonic anhydrase for CO₂ determined from the data shown is 0.75 μM. From examination of the graphs, deduce that the Km value of carbonic anhydrase for CO₂ in the presence of acetazolamide inhibitor (how does this type of inhibitor affect the Km?). v, initial rate 100 0 A. 0.01 μM. 8.0.75 μM. OC. 50 μM. No Inhibitor Acetazolamide + to 100 Substrate concentration OD. 100 μM. OE. Not enough information to deduce.

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Acetazolamide inhibits carbonic anhydrase in a noncompetitive manner, and is used to increase urine output and treat glaucoma, characterized by excessive high pressure
within the eyeball. The experimental curves of reaction velocity vs. substrate concentration, (CO₂) in μM, are shown in the graphs below, in the presence and absence of
acetazolamide.
The Km of carbonic anhydrase for CO2 determined from the data shown is 0.75 μM. From examination of the graphs, deduce that the Km value of carbonic anhydrase for
CO₂ in the presence of acetazolamide inhibitor (how does this type of inhibitor affect the Km?).
v, initial rate
100
50
0
A. 0.01 μM.
B.0.75 μM.
No Inhibitor
Acetazolamide
+ to 100
Substrate concentration
OC. 50 μM.
OD. 100 μM.
E. Not enough information to deduce.
Transcribed Image Text:Acetazolamide inhibits carbonic anhydrase in a noncompetitive manner, and is used to increase urine output and treat glaucoma, characterized by excessive high pressure within the eyeball. The experimental curves of reaction velocity vs. substrate concentration, (CO₂) in μM, are shown in the graphs below, in the presence and absence of acetazolamide. The Km of carbonic anhydrase for CO2 determined from the data shown is 0.75 μM. From examination of the graphs, deduce that the Km value of carbonic anhydrase for CO₂ in the presence of acetazolamide inhibitor (how does this type of inhibitor affect the Km?). v, initial rate 100 50 0 A. 0.01 μM. B.0.75 μM. No Inhibitor Acetazolamide + to 100 Substrate concentration OC. 50 μM. OD. 100 μM. E. Not enough information to deduce.
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