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【單選題】
2008年諾貝爾生理學或醫學獎獲得者發現了人乳頭狀瘤病毒(HPV)和人艾滋病病毒(HIV),這兩種病毒的遺傳物質分別是DNA和RNA。下列有關DNA和RNA的敘述,正確的是 ( )
A.
從分布上真核細胞中的DNA全部存在于細胞核中,RNA全部存在于細胞質中
B.
從化學組成上,DNA與RNA的堿基完全不同
C.
從結構上,DNA通常由兩條鏈構成,RNA通常由一條鏈構成
D.
鑒定DNA用吡羅紅染色劑,鑒定RNA用甲基綠染色劑
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【單選題】What’s the man’s telephone number?
A.
37460.
B.
370.
C.
370.
查看完整題目與答案
【單選題】_______achievement,last week’s ministerial meeting of the WTO here earned a low,though not failing,grade.
A.
In terms of
B.
In case of
C.
As a result of
D.
In face of
查看完整題目與答案
【單選題】This modern three-star hotel _______ close to the city center is attractive.
A.
situated
B.
situating
C.
is situated
D.
is situating
查看完整題目與答案
【單選題】What does the man want Mr Tuang to do?
A.
To have dinner with him.
B.
To call him back.
C.
To visit him.
查看完整題目與答案
【單選題】__________ the global financial cr, the Chinese government has taken many measures _______ people ‘s life to deal with it.
A.
Faced with; related
B.
Faced; relating to
C.
Faced with; relating
D.
Facing, related to
查看完整題目與答案
相關題目:
【單選題】What’s the man’s telephone number?
A.
37460.
B.
370.
C.
370.
查看完整題目與答案
【單選題】_______achievement,last week’s ministerial meeting of the WTO here earned a low,though not failing,grade.
A.
In terms of
B.
In case of
C.
As a result of
D.
In face of
查看完整題目與答案
【單選題】This modern three-star hotel _______ close to the city center is attractive.
A.
situated
B.
situating
C.
is situated
D.
is situating
查看完整題目與答案
【單選題】What does the man want Mr Tuang to do?
A.
To have dinner with him.
B.
To call him back.
C.
To visit him.
查看完整題目與答案
【單選題】__________ the global financial cr, the Chinese government has taken many measures _______ people ‘s life to deal with it.
A.
Faced with; related
B.
Faced; relating to
C.
Faced with; relating
D.
Facing, related to
查看完整題目與答案
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