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【单选题】
DNA一条链的核苷酸顺序为 5 ’ AGCTTTGAC3’,以它为模板转入成的 mRNA 顺序为A.
5 ’ UCGAAACUG3’
B.
3 ’ AGCTTTGAC5’
C.
5 ’ TCGAAACTC3’
D.
3 ’ AGCTTTGAC5 ’
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皮皮学刷刷变学霸
举一反三
【单选题】He said, 'I will not do so again.' He said that he __ not do so again. [ ]
A.
will
B.
must
C.
would
D.
do
【单选题】He said, 'You are sure to get a warm welcome there.' He said that we __ sure to get a warm welcome there. [ ]
A.
am
B.
was
C.
were
D.
are