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【判断题】
高度专一性是指酶对底物有严格的选择性。( )A.
正确
B.
错误
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【单选题】下列各组缓冲溶液中，缓冲容量最大的是( )。
A.
0.5mol·L -1 NH 3 和0.1mol·L -1 NH 4 Cl
B.
0.1mol·L -1 NH 3 和0.5mol·L -1 NH 4 Cl
C.
0.1mol·L -1 NH 3 和0.1mol·L -1 NH 4 Cl
D.
0.3mol·L -1 NH 3 和0.3mol·L -1 NH 4 Cl
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【多选题】假设需要在内存分配1KB存储空间,则其相应的地址段可选用______。
A.
000H——FFFH
B.
100H——4FFH
C.
100H——500H
D.
A00H——DFFH
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