(单选题)35: 蛋白质的一级结构及空间结构决定于( )
A: 氨基酸组成和顺序
B: 分子内离子键
C: 分子内氢键
D: 分子内疏水作用
E: 亚基
1.(匹配题)SectionINewwordsI.Matcheachvocabularywordontheleftwiththecorrectdefini...
1.(text)I.ReadingComprehension(5points) Readthefivemain-ideaquestionsthatfollowa...
1.(完形填空题)1．ListentotheconversationanddecidewhetherthefollowingisTrue(T)orF...
1.(完形填空题)1．ListentotheconversationanddecidewhetherthefollowingisT(true)orF...
1.(完形填空题)1．ListentotheconversationanddecidewhetherthefollowingisTrue(T)orF...
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