题目内容

可以做为辅酶传递H+的是

A. TPP
B. FAD
C. FH4
D. CoASH

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下列关于酶的Km值的叙述,正确的是

A. 不能反映酶对底物的亲和力
B. 是反应速度达到最大速度时的底物浓度
C. 对同一底物,不同的酶有不同的Km值
D. Km值是酶的特征性常数

关于酶的可逆性共价修饰,正确的是

A. 活性和非活性两种形式在不同酶催化下可以互变
B. 不需要消耗能量
C. 催化互变的酶受激素等因素的控制
D. 最常见的共价修饰是磷酸化和去磷酸化

4. What does Lisa think of her job?It's ____ and she likes it.5. Why did Lisa mention her brother to the man?He also works for IBM Computer Company and Lisa thoughtthey might _.6. Does Jerry know Lisa’s brother? Why?. Jerry has worked in that company for , and Lisa's brother maybe works in another ____.

1. Where did the two people meet?_______________2. What does Lisa do?_3. What does Jerry do? for IBM Computer Company.