You Have Discovered an Enzyme That Can Catalyze Two Different

question 38

Multiple Choice

You have discovered an enzyme that can catalyze two different chemical reactions. Which of the following is most likely to be correct?

• A) Two types of allosteric regulation occur: the binding of one molecule activates the enzyme while the binding of a different molecule inhibits it.
• B) The enzyme must be flexible and composed of two different subunits.
• C) Either the enzyme has two distinct active sites or the reactants involved in the two reactions are very similar in size and shape.
• D) The enzyme contains a- helices and fi- pleated sheets.
• E) The enzyme is subject to competitive inhibition and allosteric regulation.

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Definitions:

Emotional Regulation

Emotional regulation is the process by which individuals influence which emotions they have, when they have them, and how they experience and express these emotions.

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Special Individual

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Dependency

A state of relying on or needing something or someone for support, sustenance, or survival.