Which of the Following Serves as the Free Energy Source

question 17

Multiple Choice

Which of the following serves as the free energy source for the metabolic conversion of oxaloacetate to phosphoenolpyruvate,which is catalyzed by PEP carboxykinase?

• A)hydrolysis of PP_i
• B)hydrolysis of ATP
• C)hydrolysis of GTP
• D)hydrolysis of an internal phosphoanhydride bond
• E)hydrolysis of a thioester intermediate

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