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Item 8 Review Constants Period Conh ed on 164 the total enzyme concentration was 7 mol/L. how many molecules of substre can a
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Answer #1

Kcat (turnover number) is the number of molecules that are converted to the product in unit time.

Kcat=Vmax/Et

Et= 7 nmol/L

Vmax=164 umol/L.min

1 umol=10^-3 nmol

164 umol=164 * 10^3=164000 nmol

V max= 164000 nmol/L.min

Kcat=164000 nmol/L.min/7 nmol/L

= 23428.6 min^-1

Kcat=

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