In eukaryotic cells DNA is in a nucleus surrounded by a nuclear membrane, but in prokaryotic cekks it is in a numclear region not surrounded by a membrane.

 
  • 在真核细胞内,DNA被核膜包围在细胞核内,但原核细胞内,它在没有核膜包围的核区内。
今日热词
目录 附录 查词历史