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【单选题】
支原体肺炎的首选药物是A.
氯霉素
B.
四环素
C.
青霉素
D.
土霉素
E.
异烟肼
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反馈参考答案：
举一反三
【简答题】环化核苷酸(cyclic nucleotide)
【单选题】Severalenzymes are needed in nucleotide excision repair, they are:
A.
Several enzymes are needed in nucleotide excision repair, they are :
B.
glycosylase, exonuclease, DNA polymerase and ligase
C.
MutS, MutL, MutH, DNA polymerase and ligase
D.
endonuclease, exonuclease, DNA polymerase and ligase
【单选题】Differentiate between a nucleoside and a nucleotide. This molecule is a ( ).
A.
Nucleoside
B.
Nucleotide
C.
Nucleic Acid
D.
DNA
【简答题】核苷酸的抗代谢物(nucleotide antimetabolite)
【简答题】核苷酸切除修复(nucleotide excision repair)
【简答题】核苷酸(nucleotide)
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