ADP对磷酸果糖激酶的激活作用属于酶的（）。
A．酶原激活
B．反馈抑制调节
C．化学修饰调节
D．别构调节
E．磷酸化修饰调节
参考答案：D
营养专家强调每个人至少一周要吃一次肝脏，为什么？
--- Can you tell me _____ so many boxes of salt?
--- In “Legou Supermarket”
A．why you bought
B．where you bought
C．where did you buy
D．who bought
