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39. Allosteric enzymes 並不遵循 Michaelis-Menten kinetics,以受質濃度(Substrate concentration,[S])對反應初速率(Initial velocity,Vo)作圖,所得之圖型為下列何者?
(A)S 型(Sigmoidal)
(B)拋物線(Parabolic)
(C)雙曲線(Hyperbolic)
(D)直線(Linear)


答案:A
難度: 非常困難
1F
:) 大四下 (2023/01/13)

Allosteric enzymes are an exception to the Michaelis-Menten model. Because they have more than two subunits and active sites, they do not obey the Michaelis-Menten kinetics, but instead have sigmoidal kinetics. Since allosteric enzymes are cooperative, a sigmoidal plot of V0 versus [S] results: There are distinct properties of Allosteric Enzymes that makes it different compared to other enzymes.

https://chem.libretexts.org/Bookshelves/Physical_and_Theoretical_Chemistry_Textbook_Maps/Map%3A_Physical_Chemistry_for_the_Biosciences_(Chang)/10%3A_Enzyme_Kinetics/10.6%3A_Allosteric_Interaction...


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39. Allosteric enzymes 並不遵循 Michaelis-Me..-阿摩線上測驗