In Michaelis-Menten enzyme kinetics, when substrate concentration , what fraction of the maximum reaction velocity is achieved?
Answer and explanation
Correct answer: B.
- Step 1: Write Michaelis-Menten rate equation: .
- Step 2: Substitute : .
- Step 3: Cancel : .
Answer
75%.
Why not the others: '' is achieved when ; '' is achieved when ; '' is achieved when .
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