题目内容：
对稳定蛋白质构象通常不起作用的化学键是（ ）
A．范德华力 B．疏水键
C．氢键
D．盐键
E．酯键
参考答案：
答案解析：
单选题：对稳定蛋白质构象通常不起作用的化学键是（ ）
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- 题目类型：单选题
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B．疏水键
C．氢键
D．盐键
E．酯键
B．疏水键
C．氢键
D．盐键
E．酯键
The board of the company has decided to ________ its operati
The board of the company has decided to ________ its operations to include all a
German chemicals giant BASF saves 200 million a year by_____
German chemicals giant BASF saves 200 million a year by________.A．recycling heat
一女性患者，25岁，泌尿系感染用链霉素治疗3天，疗效不好，可改用下列哪种药物（ ）
一女性患者，25岁，泌尿系感染用链霉素治疗3天，疗效不好，可改用下列哪种药物（ ）A．红霉素 B．强力霉素 C．庆大霉素 D．环丙沙星 E．磺胺嘧啶
Many a player who had been highly thought of has ________ fr
Many a player who had been highly thought of has ________ from the tennis scene.
（题共用备选答案）A．刺激外周化学感受器B．刺激中枢化学感受器C．直接作用于呼吸中枢D．刺激肺牵张感受器E．刺激脑桥呼吸
（题共用备选答案）A．刺激外周化学感受器B．刺激中枢化学感受器C．直接作用于呼吸中枢D．刺激肺牵张感受器E．刺激脑桥呼吸调整中枢动脉血中C02分压升高引起呼吸加