维持蛋白质a-螺旋结构的作用力是() A.离子键 B.疏水键 C.肽键 D.氢键 发布时间:2018-11-22 01:20 │ 来源:www.tikuol.com 题型:单项选择题 A1型题 问题: 维持蛋白质a-螺旋结构的作用力是()A.离子键B.疏水键C.肽键D.氢键
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题型:单项选择题 A1型题 They were so _______ that they couldn't say a word after they heard the news.[ ]A. excite B. exciting C. excited D. excites 查看答案