The enzyme carbonic anhydrase catalyzes the following reaction: CO2+H2O<-->HCO3-

Question

The enzyme carbonic anhydrase catalyzes the following reaction: CO2+H2O<-->HCO3-+H+

This reaction is important in the transport of carbon dioxide by red blood cells. Carbonic anhydrase has a molecular weight of 30,000 g/mol and a turnover number of approximately 1x10^6 per second. Assume you are given a solution that is saturated with CO2 containing 2 microgram of carbonic anhydrase. At what rate (in millimoles of CO2 consumed per second) will this reaction proceed inder optimal conditions?

Explanation / Answer

No of moles in 2 microgram = 6.67 * 10^-11 Turnover = 10^6 Rate = 6.67*10^-5

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