Concept explainers
(a)
Interpretation:
To identify each component of the given reaction by a represented cartoon figure and assemble them to show the normal enzyme reaction.
Concept Introduction:
Many enzymes contain only protein in their structure. However, some are composed of both protein component and non-protein component. The protein component of an enzyme is called apoenzyme and the non-protein component of an enzyme is called cofactor.
(b)
Interpretation:
To identify each component of the given reaction by a represented cartoon figure and assemble them to show a competitive inhibition.
Concept Introduction:
Competitive inhibition occurs when a substance that is not the substrate of the enzyme under normal condition can also bind to the enzyme’s active site. This results in direct competition with the substrate for the active site.
(c)
Interpretation:
To identify each component of the given reaction by a represented cartoon figure and assemble them to show a noncompetitive inhibition.
Concept Introduction:
Noncompetitive inhibition occurs when an inhibitor binds to a site present on the enzyme that is distinct from the active site which causes an alteration in the shape of the active site, making it unavailable for the substrate.

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Chapter 22 Solutions
Introduction to General, Organic and Biochemistry
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