名詞 plasmid:

1. a small cellular inclusion consisting of a ring of DNA that is not in a chromosome but is capable of autonomous replication

plas.mid

n.（名詞）
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.
質(zhì)粒：在細(xì)胞中能獨(dú)立于染色體DNA而復(fù)制的圓形的，雙鏈的DNA單元質(zhì)粒大多常發(fā)現(xiàn)于細(xì)菌中，在DNA重組體研究中用來在細(xì)胞間傳遞基因