下列叙述中正确的是a.sars病毒不具有细胞结构所以不具有生�特征b.一只草履虫就是一个细胞不算一个生物个体c.精子不具有细胞结构只有 Template




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tomski下列叙述中正确的是a.sars病毒不具有细胞结构所以不具有生�特征b.一只草履虫就是一个细胞不算一个生物个体c.精子不具有细胞结构只有 coloring