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【单选题】
请问利用X射线进行安检以及透视检查利用了射线以下哪项特点：()A.
电离作用，物质受X射线照射时，可使核外电子脱离原子轨道产生电离。在电离作用下，在有机体内可以诱发各种生物效应。
B.
穿透作用，X射线表现出很强的穿透能力，且与物质密度有关，利用这种性质可以把密度不同的物质区分开来。
C.
热作用，物质所吸收的X射线能大部分被转变成热能，使物体温度升高。
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to talk
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单体连接成多聚体都需要消耗ATP
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单体进入细胞的方式都是被动运输
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