在一个染色体的脱氧核糖核酸分子中的核苷次序，其决定蛋白质合成物中氨基酸的次序。它是遗传的基础。
The sequence of nucleotides in the DNA molecule of a chromosome that specifies the amino acid sequence in the synthesis of proteins. It is the basis of heredity.
转位子一种脱氧核糖核酸片断，它能够移到同一个或另一个染色体、质体或细胞上的新位置，并转录各种基因的特性，如对抗菌体的抵抗力。
DNA that is capable of moving to a new position within the same or another chromosome, plasmid, or cell and thereby transferring genetic properties such as resistance to antibiotics.
原生物核原生物王国的组织，它组成细菌和藻青菌，其特点是缺乏一个核细胞膜以及没有组织成染色体的脱氧核糖核酸酸。
An organism of the kingdom Prokaryotae, constituting the bacteria and cyanobacteria, characterized by the absence of a nuclear membrane and by DNA that is not organized into chromosomes.
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