試題詳解

34. There is reciprocal regulation of glycolytic and gluconeogenic reactions interconverting fructose-6-phosphate and fructose-1,6-bisphosphate. Which one of the following statements about this regulation is   not   correct?
(A) Fructose-2,6-bisphosphate activates phosphofructokinase-1.
(B) Fructose-2,6-bisphosphate inhibits fructose-1,6-bisphosphatase.
(C) The fructose-1,6-bisphosphatase reaction is exergonic.
(D) The phosphofructokinase-1 reaction is endergonic.
(E) This regulation allows control of the direction of net metabolite flow through the pathway.