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【简答题】
警告标志的含义是提醒人们对周围环境引起注意,以避免可能发生危险的图形标志。其基本外型是 a.带斜杠的圆形框 b.圆形边框 c.正三角形边框
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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
【判断题】links nucleotide subunits to form a new DNA strand from a DNA template → DNA ligase
A.
正确
B.
错误
【单选题】Differentiate between a nucleoside and a nucleotide. This molecule is a ( ).
A.
Nucleoside
B.
Nucleotide
C.
Nucleic Acid
D.
DNA
【判断题】DNA polymerase links nucleotide subunits to form a new DNA strand from a DNA template
A.
正确
B.
错误
【单选题】在 internet 上,实现超文本传输协议是
A.
HTTP
B.
FTP
C.
WWW
D.
TELENT
【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)
【单选题】在Internet上实现超文本传输的协议是( )
A.
HTTP
B.
FTP
C.
WWW
D.
HYTERTEXT
【简答题】核苷酸(nucleotide)
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