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为什么说核酸是遗传物质
更新时间: 2020-07-03 00:00:00  

核酸广泛存在于所有动植物细胞、微生物体内,生物体内的核酸常与蛋白质结合形成核蛋白。不同的核酸,其化学组成、核苷酸排列顺序等不同。根据化学组成不同,核酸可分为核糖核酸RNA和脱氧核糖核酸DNA。绝大多数生物的遗传物质是DNA,所以说核酸是主要的遗传物质。

关键词: 为什么 核酸 遗传物质

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