Which of the Following Is NOT True About Enzymatic Regulatory

question 7

Multiple Choice

Which of the following is NOT true about enzymatic regulatory molecules?

• A) they allow an enzyme to catalyze many, diverse reactions.
• B) they may cause the enzyme to change its overall shape.
• C) they may enhance the activity of an enzyme.
• D) they may inhibit the activity of an enzyme.
• E) they may bind directly to an enzyme's active site.

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Definitions:

Hydrogen Abstraction

A chemical reaction where a hydrogen atom is removed from a molecule by another atom or molecule.

Termination Step

The final step in a chemical reaction sequence that produces stable products from reactive intermediates, thus concluding the reaction.

Free Radical Chlorination

A chemical reaction in which chlorine atoms are added to a molecule via free radical mechanisms, often used for the halogenation of alkanes.

ΔH°

The standard enthalpy change of a reaction, representing the heat absorbed or released under standard conditions.