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【单选题】
有关病毒核酸的描述哪错误的?A.
其化学成分为DNA和RNA
B.
具有感染性
C.
是病毒增殖、遗传和变异的物质基础
D.
构成病毒体的核心
E.
RNA/DNA
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【单选题】. ------Flight to London_______ until : tomorrow morning. -----No wonder I hear so many complaints from the passengers.
A.
has been delayed
B.
delay
C.
delayed
D.
will be delayed
【单选题】Which of the following subdiscipline of neuroscience studies how genetic factors & mutations affect the development, structure, & function of the nervous system?
A.
Neurooncology
B.
Neuropharmacology
C.
Neurosurgery
D.
Neurogenetics
【单选题】At the end of the passage subsidy is closest in meaning to_______.
A.
persuasion.
B.
assistance.
C.
suggestion.
D.
penalty.
【简答题】2009 年3月，以“和谐世界、众缘和合”为主题的第二届佛教论坛在无锡灵山胜境举行。与佛教并称为世界三大宗教的是（ ） ①道教 ②儒教 ③基督教 ④伊斯兰教 A ． ①② B． ②③ C． ③④ D． ①④
【单选题】Deletion or insertion in mRNA may alter the primary structure of proteins, which is mostly related to ( ) of genetic codons.
A.
Universal
B.
wobble
C.
degeneracy
D.
commaless
E.
conservative
【简答题】Genetic structure disposes some peopel more cheerful and others gl__________.沮丧的;幽暗的
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