第10题: [单项选择]Sales were good but distribution problems led to a slight drop in profits. The company had problems with A. producing enough goods. B. delivering enough goods. C. selling enough goods. 参考答案:B
第15题: [单项选择]当肝细胞内ATP供应充分时,下列叙述中哪项是错误的 A. 丙酮酸激酶被抑制 B. 6-磷酸果糖激酶-1被抑制 C. 异柠檬酸脱氢酶被抑制 D. 果糖双磷酸酶被抑制 E. 进入三羧酸循环的乙酰辅酶A减少 参考答案:D 答案解析:①当细胞内ATP供应充分时,糖酵解和有氧氧化将被抑制而糖异生加强,因此调节糖酵解和有氧氧化的所有关键酶受抑制:包括己糖激酶、6-磷酸果糖激酶-1(B)、丙酮酸激酶(A)、丙酮酸脱氢酶复合体、柠檬酸合酶