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【单选题】
下列关于媒体的说法,错误的是哪项?
A.
不存在“万能的媒体”
B.
媒体可以完全取代教师
C.
在实际教学中，根据教学需要选择是否需要媒体，选择哪种媒体
D.
媒体是携带和传递信息的物质工具或载体
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是二级结构的形式之一
B.
稳定α螺旋结构的是离子键
C.
链内氢键稳定其结构
D.
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E.
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【单选题】α-螺旋是蛋白质二级结构的一种类型,也称3.6 13 螺旋,其中的数字13表示
A.
螺距13Å
B.
螺旋直径13Å
C.
13个氨基酸/螺圈
D.
13个原子/氢键环上
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【单选题】α - 螺旋是蛋白质二级结构的一种类型,也称 3.6 13 螺旋,其中的数字 13 表示
A.
13 个氨基酸 / 螺圈
B.
13 个原子 / 氢键环上
C.
螺距 13 Å
D.
螺旋直径 13 Å
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【简答题】SECTION C NEWS BROADCAST In this section, you will hear several news items. Listen to them. care fully and then. answer the questions that follow. Question 21 is based on the following news. At the en...
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【单选题】有关蛋白质α螺旋结构,错误的是
A.
链内気键稳定其结构
B.
稳定α螺旋结构的是离子键
C.
是二级结构的形式之
D.
一般蛋白质分子结构中都含有α螺旋
E.
有些侧链R基团不利于α螺旋
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【简答题】SECTION C NEWS BROADCAST In this section, you will hear several news items. Listen to them care fully and then answer the questions that follow. Questions 21 and 22 are based on the following news. At...
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B.
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C.
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【单选题】有关蛋白质α螺旋结构，错误的是
A.
是二级结构的形式之一
B.
稳定α螺旋结构的是离子键
C.
链内氢键稳定其结构
D.
一般蛋白质分子结构中都含有α螺旋
E.
有些侧链R基团不利于α螺旋
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【单选题】α-螺旋是蛋白质二级结构的一种类型,也称3.6 13 螺旋,其中的数字13表示
A.
螺距13Å
B.
螺旋直径13Å
C.
13个氨基酸/螺圈
D.
13个原子/氢键环上
查看完整题目与答案
【单选题】α - 螺旋是蛋白质二级结构的一种类型,也称 3.6 13 螺旋,其中的数字 13 表示
A.
13 个氨基酸 / 螺圈
B.
13 个原子 / 氢键环上
C.
螺距 13 Å
D.
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【简答题】SECTION C NEWS BROADCAST In this section, you will hear several news items. Listen to them. care fully and then. answer the questions that follow. Question 21 is based on the following news. At the en...
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【单选题】有关蛋白质α螺旋结构,错误的是
A.
链内気键稳定其结构
B.
稳定α螺旋结构的是离子键
C.
是二级结构的形式之
D.
一般蛋白质分子结构中都含有α螺旋
E.
有些侧链R基团不利于α螺旋
查看完整题目与答案