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

question 66

Multiple Choice

PEP and 2-PG have similar amounts of potential metabolic energy with respect to decomposition to P_i, CO₂ and H₂O, but the enolase reaction:

• A) creates a much more unstable reactive intermediate.
• B) rearranges 2-PG into a form from which more potential energy can be released by hydrolysis.
• C) rearranges 2-PG to a form with greater binding potential to the enzyme.
• D) changes the ΔG of the reaction to increase the potential energy.
• E) none are true.

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