皮皮学,免费搜题
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搜题
【单选题】
细胞膜在静息状态下,对下列哪种离子通透性最大
A.
K+
B.
Na+
C.
Ca2+
D.
Mg2+
E.
Cl-
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皮皮学刷刷变学霸
举一反三
【单选题】22在Internet上, 实现超文本传输的协议是
A.
HTTP
B.
FTP
C.
www
D.
HYTER TEXT
【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
【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 超文本传输协议的是( )
A.
Http
B.
Ftp
C.
WWW
D.
Hypertext
【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)