Biology · Enzymes and Kinetics
The Michaelis-Menten constant (Km) of an enzyme is defined as:
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- 1The substrate concentration at which the reaction rate is half of Vmax✓
- 2The inhibitory concentration that reduces enzyme activity by 50%
- 3The maximum reaction rate (Vmax)
- 4The enzyme concentration required for half-maximal catalysis
Correct answer
The substrate concentration at which the reaction rate is half of Vmax
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