Essential Biochemistry - Enzymes (Section 2 - No. 24)
Which of the following is the most appropriate description of Km (Michaelis constant)?
The substrate concentration at which the reaction rate is at its maximum.
The maximum reaction rate.
The substrate concentration at which the reaction rate is half its maximum.
The rate of product formation.
Forklaring
Km is the substrate concentration at which the reaction velocity is half of Vmax.