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.

---

Definitions:

Priming

is a psychological phenomenon where exposure to one stimulus influences the response to a subsequent stimulus, without conscious guidance or intention.

Explicit Memory

Explicit memory involves conscious recollection of previous experiences or information, such as facts and events.

Semantic Memories

A form of enduring memory that deals with the ability to remember words, ideas, or digits, crucial for language comprehension and application.

Episodic Memories

Memories of specific events or episodes in one's life, including the contextual details of when and where they occurred.