PEP and 2-PG Have Similar Amounts of Potential Metabolic Energy

question 10

Multiple Choice

PEP and 2-PG have similar amounts of potential metabolic energy with respect to decomposition to Pᵢ,CO₂,and H₂O.Which of the following statements applies to enolase-catalyzed decomposition of PEP and 2-PG?

• A)The enolase reaction creates a much more unstable reactive intermediate.
• B)The enolase reaction rearranges 2-PG into a form from which more potential energy can be released by hydrolysis.
• C)The enolase reaction rearranges 2-PG to a form with greater binding potential to the enzyme.
• D)The enolase reaction changes the ∆G of the reaction to increase the potential energy.

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