_是构成生物体的基本单位.
______是构成生物体的基本单位.
生物人气:574 ℃时间:2019-12-10 01:26:35
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除病毒外细胞是生物体结构和功能的基本单位.生物体的组织、器官、系统都是由细胞构成的,生物体的细胞有细胞膜,可以保护细胞,同时控制物质的进出,使之从结构上成为一个独立的单位;细胞内有细胞核内含有遗传物质...
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