medium · MCAT bio-biochem
A researcher is evaluating the kinetics of a new enzyme. When the substrate concentration [S] is 2.0 mM, the reaction velocity is 50 μmol/min.
If the V_max of the enzyme is 100 μmol/min, what is the Michaelis constant K_M?
- 4.0 mM
- 2.0 mM
- 0.5 mM
- 1.0 mM
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