試題詳解

8. Which one of the following statements concerning biotin and gluconeogenesis is   not true  ?
(A) Biotin is used to add CO2 to certain intermediates in gluconeogenesis.
(B) CO2 is incorporated into the glucose product.
(C) Biotin is capable of binding covalently to CO2.
(D) Biotin helps synthesize an important precursor of phosphoenolpyruvate.
(E) ATP hydrolysis is required to attach CO2 to biotin.