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【单选题】
关于细胞膜功能的叙述,哪项是错误的
A.
细胞膜有维持细胞形态和保护细胞的屏障作用
B.
细胞与周围环境之间的物质交换,是通过细胞膜的转运功能实现的
C.
细胞膜转运物质不具有选择性
D.
细胞膜还可完成跨膜信号转导功能
E.
细胞膜具有识别、免疫功能
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A.
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B.
是你们的关系而不是第三者才是亲密关系继续的关键
C.
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D.
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A.
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B.
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A.
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A.
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B.
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C.
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D.
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