The Michaelis-Menten equation models the hyperbolic relationship between [S] and

Question

The Michaelis-Menten equation models the hyperbolic relationship between [S] and the initial reaction rate (V0) for an enzyme catalyzed, single substrate reaction:

Mapa Sapling Learning macmillan learning 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]Kn Match each statement with the condition that it describes Note: "Rate" refers to initial velocity (Vo) where steady state conditions are assumed; [Etotal refers to the total enzyme concentration, and [Efreel refers to the concentration of free enzyme Not true for any of these conditions [Efreel is about equal to [Etotal almost all active sites will be filled ES] is much lower than [Efree increasing [Etotal will increase Km half of the active sites are filled with S reaction rate is independent of [S

Explanation / Answer

A)

[S]<<Km

[ES] is much lower than(Efree)

B)

[S]=Km

(Efree) is about equal to (Etotal)

Half of the active sites are filled with S

C)

[S]>>Km

Almost all sites will be filled

Reaction rate is independent of [S]

D)

Not true for any of these conditions

Increasing (Etotal) will increase Km

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