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【判断题】
特征识别装置与特征载体的相互匹配构成了出入口控制系统的基本数据链,是实现出入口系统基本功能的前提,但它并不能决定系统的整体技术性能。
A.
正确
B.
错误
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参考答案:
举一反三
【单选题】引发痤疮的诱因之一是:长期涂用某些( )。
A.
减肥药
B.
激素
C.
抗生素
D.
维生素C
【单选题】以下选项中非法的表达式是
A.
i=i+=i*i
B.
(char)(65+32)
C.
(i+1)++
D.
i>-10&&i<10
【判断题】Feulgen staining words on cell walls.
A.
正确
B.
错误
【单选题】下列人物中哪一位是汉武帝派遣其出使西域,以联系大月氏共同夹击匈奴:()
A.
霍去病
B.
卫青
C.
张骞
D.
上述都不是
【判断题】( )Feulgen staining works on cell walls.
A.
正确
B.
错误
【简答题】The cell walls of red and white blood cells are semipermeable membranes. The concentration of soIute particles in the blood is about 0.6mol·L -1 . What happens to blood cells that are place in pure wa...
【单选题】Cell plates and cell walls are formed in _______.
A.
prophase
B.
metaphase
C.
anaphase
D.
telophase
【判断题】Fungi differ from bacteria in a number of characteristics. The cell walls in fungi are composed of chitin while the cell walls of bacteria are composed of peptidoglycan
A.
正确
B.
错误
【单选题】The cell walls of Gram-positive and Gram-negative bacteria ()
A.
are the sites of spore formation
B.
both contain peptidoglycan
C.
re connected to the cell nucleus by the endoplasmic reticulum
D.
are composed exclusively of proteins
【单选题】Fungi differ from bacteria in a number of characteristics. The cell walls in fungi are composed of ( )while the cell walls of bacteria are composed of peptidoglycan
A.
chitin
B.
phospholipids
C.
protein
D.
glucosamine
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