预测当赖氨酸密码子第一个碱基由A变为G时对蛋白质结构与功能的影响。
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【B15】
A. doubt
B. suspicion
C. trouble
D. difficulty
A．The man should wait a minute.B．It's too late for the man to register.C．The man shoul
A. The man should wait a minute.
B. It's too late for the man to register.
C. The man should have done things earlier.
D. There might still be a chance even if it is the last minute.
The march to Washington, D.C. in 1963 helped the passage of two civil rights acts.
A. Y
B. N
C. NG
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