問題詳情

17.Fatty acids cannot be converted to glucose because
(A)they lack sufficient energy.
(B)as acetyl-CoA they enter the citric acid cycle and can never reform pyruvate.
(C)acetyl-CoA can be synthesized only from amino acid skeletons, not fatty acid skeletons.
(D)they enter the citric acid cycle as propionyl-CoA.

參考答案

答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

用户評論

【生物生理生化-認同按讚】評論

因為pyruvate dehydrogenase為不可逆反應,所以acetyl-CoA無法形成pyruvate 答案B

【【站僕】摩檸Morning】評論

原本答案為99,修改為B

【【站僕】摩檸Morning】評論

原本題目:17.Fatty acids cannot be converted to glucose because(A)they lack sufficient energy.(B)as acetyl-CoA they enter the citric acid cycle and can never reform pyruvate.(C)acetyl-CoA can be synthesized only from amino acid skeletons, not fatty acid skeletons.(D)they enter the citric acid cycle as propionyl-CoA.修改成為17.Fatty acids cannot be converted to glucose because(A)they lack sufficient energy.(B)as acetyl-CoA they enter the citric acid cycle and can never reform pyruvate.(C)acetyl-CoA can be synthesized only from amino acid skeletons, not fatty acid skeleto...