23 terms

2: Enzymes

This biochemistry set covers theories, types, descriptors, and influences of enzyme function

Terms in this set (...)

Active Site
The catalytically active portion of an enzyme.
Allosteric Enzymes
Enzymes that experience changes in their conformation as a result of interactions at sites other than the active site called allosteric sites; conformational changes may increase or decrease enzyme activity.
Competitive Inhibition
A decrease in enzyme activity that results from the interaction of an inhibitor with the active site of an enzyme; competitive inhibition can be overcome by addition of excess substrate.
Feedback Inhibition
The inhibition of an enzyme by its product (or a product further down in a metabolic pathway); used to maintain homeostasis.
Induced Fit Model
The best-supported of the most prominent theories of enzyme specificity; states that the enzyme and substrate experience a change in conformation during binding to increase complementarity. Usually contrasted with the lock and key theory.
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