plasmids [plæz'mɪdz]

例句:

• Plasmids are exta - chromosomal doublestranded, circular DNA molecules found in prokaryotic and eukaryotic cells.
  质粒是在原核和真核细胞中发现的染色体外的双链环状DNA分子.
  
• Transformation efficiency is greatest with circular plasmids containing only small inserts of passenger DNA.
  使用带有一小段客座DNA的插入序列的环状质粒进行转化,较率会最高.
  
• Results The structures of recombinant plasmids were comfinaed by PCR and sequencing.
  结果重组体经PCR和测序证实准确连接.