Which of the Following Characteristics Is Most Likely to Be

question 52

Multiple Choice

Which of the following characteristics is most likely to be associated with an enzyme that catalyzes two different chemical reactions?

• A) The enzyme contains α-helices and β-pleated sheets.
• B) The enzyme is subject to competitive inhibition and allosteric regulation.
• C) The enzyme is composed of at least two subunits.
• D) Either the enzyme has two distinct active sites or the substrates involved in the two reactions have very similar structures.

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Definitions:

Subduction Zone

Regions where one tectonic plate moves under another, often associated with volcanic activity and earthquakes.

Thrust Faulting

A geological fault in which the upper block, above the fault plane, moves up and over the lower block, commonly found in mountain ranges.

Accretionary Prism

A geological structure formed by the accumulation of sediments and rock fragments at a convergent tectonic plate boundary.

Subduction Zone

A region of the Earth's crust where tectonic plates converge, and one plate moves under another, leading to volcanic activity.