(来学网)甲基绿派洛宁染色法显示DNA和RNA染液最佳pH应是
  • A.
    (来学网)6.5
  • B.
    (来学网)2
  • C.
    (来学网)9
  • D.
    (来学网)7
  • E.
    (来学网)4.8