Match each statement with the condition that it describes.

Biochemistry
6th Edition
ISBN:9781305577206
Author:Reginald H. Garrett, Charles M. Grisham
Publisher:Reginald H. Garrett, Charles M. Grisham
Chapter18: Glycolysis
Section: Chapter Questions
Problem 17P
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The Michaelis-Menten equation models the hyperbolic relationship between [S] and the initial reaction rate Vo for an
enzyme-catalyzed, single-substrate reaction E + S = ES → E + P. The model can be more readily understood when
comparing three conditions: [S] << Km, [S] = Km, and [S] >> Km-
Match each statement with the condition that it describes.
Note that "rate" refers to initial velocity Vo where steady state conditions are assumed. [Etotal] refers to the total enzyme
concentration and [Efree] refers to the concentration of free enzyme.
[S] << Km
[S]:
= Km
[S] >> Km
Not true for any of these
conditions
[ES] is much lower than [Efree].
[Efree] is about equal to [Eotal].
Almost all active sites will
Increasing [Etotal] will increase
be filled.
Adding more S will not increase
The rate is half of the
Km.
the rate.
maximum rate.
Answer Bank
Transcribed Image Text:The Michaelis-Menten equation models the hyperbolic relationship between [S] and the initial reaction rate Vo for an enzyme-catalyzed, single-substrate reaction E + S = ES → E + P. The model can be more readily understood when comparing three conditions: [S] << Km, [S] = Km, and [S] >> Km- Match each statement with the condition that it describes. Note that "rate" refers to initial velocity Vo where steady state conditions are assumed. [Etotal] refers to the total enzyme concentration and [Efree] refers to the concentration of free enzyme. [S] << Km [S]: = Km [S] >> Km Not true for any of these conditions [ES] is much lower than [Efree]. [Efree] is about equal to [Eotal]. Almost all active sites will Increasing [Etotal] will increase be filled. Adding more S will not increase The rate is half of the Km. the rate. maximum rate. Answer Bank
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