Hexokinase Does Not Catalyze the Final Step in Gluconeogenesis as Written

Hexokinase does not catalyze the final step in gluconeogenesis as written below because glucose-6-phosphate + ADP $\rarr$ glucose + ATP

A) the phosphate bond in glucose-6-phosphate does not have a high enough free energy to form ATP.
B) ATP inhibits hexokinase and blocks the reaction from occurring as written.
C) hexokinase is only reversible when high levels of ATP are present.
D) hexokinase does not bind glucose-6-phosphate.
E) none of the above

Correct Answer:

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