The Km for enzyme Q is 1 × 10-6 M. Q catalyzes the reaction R?S at a velocity of 30 µmole/min when the concentration of substrate is 0.02 M; hence, Vmax is approximately 30 µmole/min
Assuming Michaelis-Menten kinetics is followed, what will the reaction velocity be when [S] is 10-7 M?
A. 30 µmole/min
B 3.0 × 10-7 µmole/min
C. 2.7 µmole/min
D. 2.7 × 10-12 µmole/min
E. 0.27 µmole/min
C
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