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【单选题】
关于噬菌体特性的叙述,下列哪错误的______。
A.
具有严格的宿主特异性
B.
具有细胞结构
C.
只含有一种核酸
D.
专性细胞内寄生
E.
可通过细菌滤器
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参考答案:
举一反三
【简答题】目前扩大选用柴油机已成为汽车的发展方向之一。柴油机之所以具有高于汽油机的经济性能,最主要的原因是 。
【判断题】你是否能够专注地投入个人兴趣连续十小时以上?
A.
正确
B.
错误
【单选题】多基因遗传病中,一定的环境条件下,能代表患病所必需的最低的易患基凶的数量是( )
A.
易感性
B.
易患性
C.
阈值
D.
发病率
【单选题】多基因遗传病中,一定的环境条件下,能代表患病必需的最少易感基因数量的是( )
A.
发病率
B.
易感性
C.
易患性
D.
阈值
E.
遗传率
【单选题】Recognition is the process of including within the financial statements items which meet the definition of an element according to the lASB'sConceptual Framework for Financial Reporting.Which of the f...
A.
A skilled and efficient workforce which has been very expensive to train. Some of these staff are still in the employment of the company.
B.
A highly lucrative contract signed during the year which is due to commence shortly after the year end.
C.
A government grant relating to the purchase of an item of plant several years ago, which has a remaining life of four years.
D.
A receivable from a customer which has been sold (factored) to a finance company. The finance company has full recourse to the company for any losses.
【单选题】多基因遗传病中,一定的环境条件下能代表患病所必需的、最低的易患基因数量称为
A.
发病率
B.
易感性
C.
易患性
D.
阈值
【简答题】支付保险费1 000元。
【单选题】孤立系内发生不可逆过程,系统的总熵 。
A.
增大
B.
减少
C.
不变
D.
不一定
【单选题】孤立系内发生不可逆过程,系统的总熵( )。
A.
增大
B.
不变
C.
减小
D.
不一定
【单选题】Recognition is the process of including within the financial statements items which meet the definition of an element according to the IASB’s Conceptual Framework for Financial Reporting . Which of th...
A.
A skilled and efficient workforce which has been very expensive to train. Some of these staff are still in the employment of the company
B.
A highly lucrative contract signed during the year which is due to commence shortly after the year end
C.
A government grant relating to the purchase of an item of plant several years ago which has a remaining life of four years
D.
A receivable from a customer which has been sold (factored) to a finance company. The finance company has full recourse to the company for any losses
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