Category: Lab Notes: Enzymology

Allosteric Enzyme

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Allosteric enzymes regulate biochemical pathways by responding to molecules that bind at regulatory sites. Learn about allosteric activation, inhibition, cooperativity, feedback regulation, and metabolic control.

Michaelis-Menten Model of Enzyme Kinetics

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Competitive, noncompetitive, and uncompetitive inhibition are important types of enzyme inhibition. Learn how each inhibitor affects enzyme activity, Km, Vmax, substrate binding, and enzyme kinetics.

Factors Affecting Enzyme Activity

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Learn about the major factors affecting enzyme activity, including temperature, pH, substrate concentration, enzyme concentration, inhibitors, activators, and cofactors. Understand how these factors influence enzyme-catalyzed reactions.

Induced-Fit Model of Enzyme Action

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The induced-fit model explains how enzymes change shape when substrates bind, allowing precise substrate recognition and efficient catalysis. Learn how conformational changes influence enzyme activity.

Lock-and-Key Model of Enzyme Action

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The lock-and-key model explains how enzymes recognize specific substrates through complementary shapes and chemical properties. Learn how active sites, substrate specificity, and enzyme-substrate complexes work.

Substrate Specificity

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Substrate specificity is the ability of an enzyme to recognize and act on particular substrates. Learn about its mechanisms, types, examples, and importance in biological processes.