4.下列哪一组结构或物质的元素组成一定是不相同的(    ) A.细菌

4下列哪一组结构或物质的元素组成一定是不相同的(    )

A.细菌体内的基因与细胞膜

B.蓝藻细胞内的核糖体与玉米的细胞壁

C.骨骼肌细胞内的线粒体与染色体

D.植物细胞的细胞壁与动物细胞中的糖原

答案

B

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