The Lock and Key Model of the Active Site

question 70

Multiple Choice

The lock and key model of the active site:

• A) is a conformational change brought about by the binding of inhibitor to an allosteric site.
• B) is also known as cooperative binding and requires enzymes with more than one subunit.
• C) does not require a conformational change for the substrate to bind to the active site.
• D) is the change in the isoelectric point of an enzyme upon formation of ES complex.
• E) is a conformational change evoked by binding of substrate to the active site of an enzyme.

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