[S] >> [Etotal]. The rate of formation of ES equals its rate of breakdown. The rate of breakdown of ES to E + P is much faster than the rate of breakdown of ES back to E + S. KM = [E][S]/[ES] The concentration of ES is small relative to the concentration of Etotal. [Etotal] >> [Efree]. The rate of reaction is equal to k₂[ES]. The velocity of the catalyzed reaction is equal to k₁ [E][S].

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Chapter1: Chemical Foundations
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Which of the following are not assumptions made in the derivation of the Michaelis-Menten equation for a one-substrate, one-product reaction? (Put a check by the inappropriate assumptions.) ​​​​​

[S] >> [Etotal].
The rate of formation of ES
equals its rate of breakdown.
The rate of breakdown of ES to
E + P is much faster than the
rate of breakdown of ES back to
E + S.
KM = [E][S]/[ES]
The concentration of ES is small
relative to the concentration of
Etotal.
[Etotal] >> [Efree ].
The rate of reaction is equal to
k₂[ES].
The velocity of the catalyzed
reaction is equal to k₁[E][S].
Transcribed Image Text:[S] >> [Etotal]. The rate of formation of ES equals its rate of breakdown. The rate of breakdown of ES to E + P is much faster than the rate of breakdown of ES back to E + S. KM = [E][S]/[ES] The concentration of ES is small relative to the concentration of Etotal. [Etotal] >> [Efree ]. The rate of reaction is equal to k₂[ES]. The velocity of the catalyzed reaction is equal to k₁[E][S].
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