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Allosteric Regulation

Allosteric Regulation

Allosteric regulation of enzymes occurs when the binding of an effector molecule to a site that is different from the active site causes a change in the enzymatic activity. This alternate site is called an allosteric site, and an enzyme can contain more than one of these sites. Allosteric regulation can either be positive or negative, resulting in an increase or decrease in enzyme activity. Most enzymes that display allosteric regulation are metabolic enzymes involved in the degradation or...

Altruism

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Altruistic behaviors are “unselfish” behaviors—those that help another individual at the expense of the individual carrying out the behavior. Despite the negative consequences for the altruistic animal, these behaviors are thought to have evolved for several reasons.

Feedback Inhibition

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Biochemical reactions are occurring constantly in cells, converting starting substances to different products, usually with the help of enzymes that speed the reactions. Without enzymes, it would take far too long for most reactions to occur to be useful to the cell!

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Cooperative Allosteric Transitions

Cooperative Allosteric Transitions

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Related Experiment Video

Updated: May 6, 2026

Layered Alginate Constructs: A Platform for Co-culture of Heterogeneous Cell Populations

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Editorial comment for Alloussi et al

Roger Dmochowski¹

¹Department of Urology, Vanderbilt University Medical Center, Nashville, Tennessee.

Journal of Endourology

|November 16, 2013

Summary

No abstract available in PubMed .

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