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【单选题】
4蛋白质多肽链形成α-螺旋时,主要靠哪种次级键维持A.
二硫键
B.
肽键
C.
疏水键
D.
氢键
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Among the basic categories of equipment, which of the following are used to allow the hydraulic energy to be controlled?
A.
hydraulic pumps
B.
valves
C.
hydraulic cylinders
D.
hydraulic motors
【单选题】Among the basic categories of equipment, which of the following are used to convert the hydraulic energy into linear motion?
A.
hydraulic pumps
B.
valves
C.
hydraulic cylinders
D.
hydraulic motors
【简答题】渗出性出血的原因是什么？
【单选题】Among the basic categories of equipment, which of the following is used to convert hydraulic energy into continuous rotary motion?
A.
hydraulic pumps
B.
valves
C.
hydraulic cylinders
D.
hydraulic motors
【单选题】关先生,33岁,阑尾切除术后第3日,体温39.4°C,主诉伤口疼痛,检查发现切口红肿,有压痛。应首先考虑
A.
外科热
B.
感冒
C.
切口感染
D.
切口缝线反应
E.
肺炎
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