Zinc was added to an enzyme-substrate solution and most enzyme activity ceased. Addition of more substrate to the enzyme-substrate solution did not increase enzyme activity. It is most likely that zinc acted as a(n) ________ inhibitor. a. competitive reversible b. noncompetitive reversible c. irreversible d. no correct response is given

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Q: irreversible enzyme

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Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.