| 单词 | 质粒 |
| 释义 | 〔chromoplast〕A plastid that contains pigments other than chlorophyll, usually yellow or orange carotenoids.有色体，色素体：除了叶绿素外的含色素的质粒，通常为黄色或橙色的类胡萝卜素〔plasmid〕A circular, double-stranded unit of DNA that replicates within a cell independently of the chromosomal DNA. Plasmids are most often found in bacteria and are used in recombinant DNA research to transfer genes between cells.质粒：在细胞中能独立于染色体DNA而复制的圆形的，双链的DNA单元质粒大多常发现于细菌中，在DNA重组体研究中用来在细胞间传递基因〔cosmid〕A hybrid vector that has been spliced with plasmid DNA for cloning large genes or gene fragments.黏粒，装配型质粒：为合成的遗传媒介，结合克隆大基因或大基因碎片的质粒脱氧核糖核酸载体 |
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