下列关于组成生物体的元素和化合物的叙述中正确的是 A.细胞中脱氧核苷酸和脂肪都不含有氮元素b.植物细胞中含量最多的四种元素是cho Template




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tomski下列关于组成生物体的元素和化合物的叙述中正确的是 a.细胞中脱氧核苷酸和脂肪都不含有氮元素b.植物细胞中含量最多的四种元素是cho coloring