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【单选题】
通过完全缺陷噬菌体对供体菌基因组的任何小基因片段进行“误包”,而将其遗传性状传递给受体菌的现象叫( )A.
普遍转导
B.
局限转导
C.
转变
D.
结合
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举一反三
【简答题】自主学习任务单
【简答题】Passage 1 Car servicing is something that every car owner has to experience at least some time of the year. The best method to service your car is to go to your car service station and have the servic...
【单选题】Task 13 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace> Car servicing is something that every car owner has to experience at least sometime of the year. The best method to serv...
A.
To service your car by yourself.
B.
To have your car serviced at the service station.
C.
To turn to other car owners for help.
D.
To send your car back to the car maker.
【简答题】自主学习任务单
【单选题】每次试验的成功率为p(0A.(1－p)2B.1－p2C.3(1－p)D.1－p3
A.
每次试验的成功率为p(0＜ｐ＜１） A.(1-p) 2
B.
1-p 2
C.
3(1-p)
D.
1-p 3
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