1. An enzyme solution has a Vmx, of 1 mM/sec and a Km of 1 mM....

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1. An enzyme solution has a Vmx, of 1 mM/sec and a Km of 1 mM. What is the velocity Vo of the enzyme at the following substrate concentrations? 0.5 mM 1mM 9mM 2. What fraction of Vmx is reached when the substrate concentration is 1/5 of Km. equal to Km. 3Km? 3. At what substrate concentrations, expressed at multiples of Km, is an enzyme reaching a velocity of 1/5 Vmax ½ Vmax 90% Vmax? 1. An enzyme solution has a Vmx, of 1 mM/sec and a Km of 1 mM. What is the velocity Vo of the enzyme at the following substrate concentrations? 0.5 mM 1mM 9mM 2. What fraction of Vmx is reached when the substrate concentration is 1/5 of Km. equal to Km. 3Km? 3. At what substrate concentrations, expressed at multiples of Km, is an enzyme reaching a velocity of 1/5 Vmax ½ Vmax 90% Vmax?

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