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【单选题】
招标人向中标人发出中标通知后，关于合同的签订，下列说法正确的是( )A.
招标人拒绝和中标人签订合同，中标人可以直接追究招标人的赔偿责任
B.
中标人拒绝签订合同，不需要承担法律责任
C.
中标通知书发出后，合同尚未成立
D.
中标人拒绝签订合同，招标人没收其投标保证，不需要承担法律责
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举一反三
【单选题】A lysogenic bacterium ( ).
A.
Carries a prophage
B.
Causes lysis of other bacteria on contact.
C.
Cannot support the replication of a virulent phage
D.
Is often a human pathogen
E.
Is usually not capable of conjugal genetic transfer
【单选题】Schools should be lively places where individuals are encouraged to _____ to their greatest potential.
A.
accelerate
B.
improve
C.
perform
D.
develop
【多选题】What are wrong statements with respect to lysogen and prophage.
A.
If there is only growth of few lysogens, the E. coli lawn would be turbid
B.
The integrated phage is called as lysogen
C.
The infected bacterial cell is called a prophage
D.
If lysogens won’t be formed, the plaques won’t be clear
【单选题】Pieces of plasmid or bacterial chromosomal DNA may be mistakenly packaged into the capsid (head) of a bacterial virus. Assuming that no prophage state has existed in the phage production, what is the ...
A.
Conjugation
B.
Lysogeny
C.
Generalized transduction
D.
Specialized transduction
E.
Transformation
【单选题】Choose the correct statement with respect to lysogen and prophage.
A.
The integrated phage is called as lysogen
B.
The infected bacterial cell is called a prophage
C.
If there is only growth of few lysogens, the E. coli lawn would be turbid
D.
If lysogens won’t be formed, the plaques won’t be clear
【简答题】A．offices B．schools C．cities D．places
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