50. The conversion of dissolved carbon dioxide in blood to HCO, and H;O* is catalyzed by the enzyme carbonic anhydrase. The Michaelis-Menten constants for this enzyme and substrate are Km = 8 × 10-5 mol L-' and k2 = 6 × 10° s-1. (a) What is the maximum rate of reaction of carbon diox- ide if the enzyme concentration is 5 × 10-6 M? (b) At what CO2 concentration will the rate of decompo- sition be 30% of that calculated in part (a)?

50. The conversion of dissolved carbon dioxide in blood to HCO, and H;O* is catalyzed by the enzyme carbonic anhydrase. The Michaelis-Menten constants for this enzyme and substrate are Km = 8 × 10-5 mol L-' and k2 = 6 × 10° s-1. (a) What is the maximum rate of reaction of carbon diox- ide if the enzyme concentration is 5 × 10-6 M? (b) At what CO2 concentration will the rate of decompo- sition be 30% of that calculated in part (a)?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

50. The conversion of dissolved carbon dioxide in blood to
HCO, and H;O* is catalyzed by the enzyme carbonic
anhydrase. The Michaelis-Menten constants for this
enzyme and substrate are Km = 8 × 10-5 mol L-' and
k2 = 6 × 10° s-1.
(a) What is the maximum rate of reaction of carbon diox-
ide if the enzyme concentration is 5 × 10-6 M?
(b) At what CO2 concentration will the rate of decompo-
sition be 30% of that calculated in part (a)?

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