尿黑酸症是由酪氨酸在人体内非正常代谢而产生的一种遗传病。其转化过程如下
下列说法错误的是
| A．酪氨酸的分子式为C9H11O3N |
| B．对羟苯丙酮酸分子中有三种含氧官能团 |
| C．可用溴水鉴别对羟苯丙酮酸与尿黑酸 |
| D．1 mol尿黑酸最多可与含3 mol NaOH的溶液反应 |
相关试题
The children all turned ____ the famous actress as she entered the classroom. 
| A．looked at | B．to look at |
C．to looking at | D．look at |
Edward, you play so well. But I ______ you played the piano. 
| A．didn’t know | B．hadn’t known |
C．don’t know | D．haven’t known |
She brought with her three friends, none of ______ I had ever met before. 
| A．them | B．who | C．whom | D．these |
I tried phoning her office, but I couldn’t _______. 
| A．get along | B．get on | C．get to | D．get through |
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