General ---------Biology----------------------------------------------------- ------------------Online---------------------------wilcox@sunline.net Ch. 6  Metabolism of carbohydrates, fats, proteins, nucleic acids

Enzyme Activity: A cell's chemical and physical environment affects enzyme activity.

For example:
    temperature
    pH
    cofactors ( e.g. vitamins)
    inhibitors
        competitive (compete for active site)
        noncompetitive (interact with enzyme at a site other an the active site)
        allosteric inhibitors

Competitive and noncompetitive inhibitors are illustrated below.

Allosteric regulation is illustrated below.
Practice Questions

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9. Metabolic Order