下列哪一组物质或结构的化学元素组成是不相同的(   ) A.乳酸

下列哪一组物质或结构的化学元素组成是不相同的(  

A.乳酸菌的基因与酵母菌的细胞膜

B.蓝藻的核糖体与玉米细胞的细胞壁

C.骨骼肌细胞的线粒体与水绵细胞的染色体

D.花生种子细胞中的脂肪与人体肝细胞中的糖原

答案

B

【解析】

考点:本题考查化合物和细胞结构相关知识,意在考查考生能理解所学知识的要点,把握知识间的内在联系,形成知识的网络结构能力。

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