Consider the Following Metabolic Reaction:
2-Phosphoglycerate $\to$ 3-Phosphoglycerate $\Delta$ G°' = −440 KJ/mol
What Can Be Said About This Reaction When

question 42

Multiple Choice

Consider the following metabolic reaction:
2-Phosphoglycerate $\to$ 3-Phosphoglycerate $\Delta$ G°' = −4.40 kJ/mol
What can be said about this reaction when the concentration of 2-phosphoglycerate is 0.490 mM and the concentration of 3-phosphoglycerate is 2.90 mM at 25°C?
(I) This reaction is endergonic under these conditions.
(II) This reaction is exergonic under these conditions.
(III) This reaction is at equilibrium under these conditions.
(IV) This reaction is not favorable under standard conditions.

• A)I,IV
• B)II only
• C)III only
• D)IV only
• E)None of the above

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