Which Statement Regarding Allosterically Regulated Enzymes Is Valid

question 186

Multiple Choice

Which statement regarding allosterically regulated enzymes is valid?

• A) Allosterically regulated enzymes often have more than one subunit.
• B) An allosteric enzyme is locked in a rigid conformation, indicating that it cannot use induced-fit mechanisms for catalyzing reactions.
• C) The allosteric regulatory sites overlap with the active site in an allosteric enzyme.
• D) Unlike substrate binding, the binding of molecules to allosteric sites in an allosteric enzyme is nonspecific.
• E) The only type of effect of an allosteric molecule on an allosteric enzyme is an inhibitory effect.

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Definitions:

Economically Efficient Outcome

A situation where resources are allocated in a way that maximizes the net benefit to society or minimizes wastage.

Market Demand Curve

Graphical representation of the total quantity of a good or service that all consumers in a market are willing and able to purchase at various prices.

Negative Externalities

Unintended adverse effects or costs imposed on a third party or the environment as a result of an economic activity.