题目
The listed terms are parts of a cell. Match each term with its correct meaning.cell membrane DNA mitochondria chromosomes endoplasmic reticulum nucleus cytoplasm genes7. chemical found within each chromosome ________
The listed terms are parts of a cell. Match each term with its correct meaning. cell membrane DNA mitochondria chromosomes endoplasmic reticulum nucleus cytoplasm genes 7. chemical found within each chromosome ________
题目解答
答案
题目考察细胞结构与功能的对应关系。根据分析，“chemical found within each chromosome”指染色体中的主要化学物质，即DNA。染色体由DNA和蛋白质构成，但DNA是核心遗传物质，符合题目要求。其他选项如细胞膜、线粒体、内质网等均不符合。
答案：DNA