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【简答题】
检测100个Lae - 突变体，分别测定它们的回复率。其中，45个回复率是10 -5 ，49个是3×10 -6 ，3个是3×10 -11 ，3个是10 -10 。回复率为10 -10 突变体的类型属于点突变体、琥珀型突变体、双突变体还是缺失突变体?
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皮皮学刷刷变学霸
举一反三
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A.
农村乡、镇卫生院和城市街道医院
B.
诊治专科疾病而设置的医院
C.
全国、省、市直属的市级大医院
D.
医学院校的附属大医院
E.
一般市、县医院及省辖市的区级医院
【单选题】The long reign of Elizabeth, who became known as the "Virgin Queen" for her reluctance to endanger her authority through marriage, coincided with the flowering of the English Renaissance, associated w...
A.
she did not want to diminish her power.
B.
she did not fall in love.
C.
there were no suitable matches.
D.
she was preoccupied with the English Renaissance.
【单选题】Of the many contemporaries and successors of William Shakespeare, the most important and well-known was , who became the poet laureate in 1616.
A.
John Dryden
B.
Samuel Johnson
C.
Ben Jonson
D.
Robert Southey
【单选题】Elizabethan poetry is remarkable. England then became "a nest of singing birds". Which is not the famous poets of that period?
A.
William Shakespeare
B.
Edmund Spenser
C.
Philip Sidney
D.
Robert Southey
【单选题】一级医院所指的医院是
A.
全国、省、市直属的市级大医院
B.
医学院校的附属大医院
C.
农村乡、镇卫生院和城市街道医院
D.
一般市、县医院及省辖市的区级医院
E.
诊治专科疾病而设置的医院
【单选题】一级医院所指的医院是:
A.
农村乡、镇卫生院和城市街道医院
B.
诊治专科疾病而设置的医院
C.
全国、省、市属的市级大医院
D.
医学院校的附属大医院
E.
一般市、县医院及省辖市的区级医院
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