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【单选题】
图中黑棋有几口气?A.
5
B.
6
C.
7
D.
8
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反馈参考答案：
举一反三
【简答题】Un guía iba a esperar a Mercedes y sus alumnos .
【简答题】Sus reuniones eran bimensuales y sus informes,________
【简答题】Mercedes y sus alumnos pensaban ir al museo el
【单选题】Single-stranded binding proteins (SSB) bind to the outer backbone of DNA during replication. What would you predict about SSBs?
A.
They contain arginine and lysine residues
B.
They hydrolyze phosphodiester bonds
C.
Sequence-specific binding
D.
They form covalent bonds to sugars
【单选题】Which of the following is not a characteristic of prokaryotic single stranded DNA binding proteins?
A.
They are not essential for cell replication.
B.
They stimulate homologous DNA polymerase.
C.
They aid helicase action.
D.
They keep DNA strands from annealing.
E.
They bind more tightly to ssDNA than to dsDN
【判断题】Mercedes y sus alumnos no tenían problema de ir al museo a las once y media. ( )
A.
正确
B.
错误
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