How many of the following statements are true? Allosteric enzymes display sigmoidal kinetics for plots of V versus [S] Allosteric enzymes exist in T and R states Allosteric enzymes display kinetics that becomes less sigmoidal in the presence of activators

Biochemistry
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ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
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Chapter1: Biochemistry: An Evolving Science
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How many of the following statements are true?

  • Allosteric enzymes display sigmoidal kinetics for plots of V versus [S]
  • Allosteric enzymes exist in T and R states
  • Allosteric enzymes display kinetics that becomes less sigmoidal in the presence of activators
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Allosteric enzymes are enzymes that possess additional binding sites known as allosteric sites. Allosteric modulators are substances that bind to the allosteric sites and regulate the activity of these enzymes. Allosteric activators are the substances that bind to the allosteric site and activates the enzyme activity, while allosteric inhibitors bind to the allosteric site and inhibit the enzyme activity.

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