(来学网)瑞氏染色缓冲液的最适pH是
  • A.
    (来学网)6.2~6.4
  • B.
    (来学网)6.4~6.8
  • C.
    (来学网)6.8~7.0
  • D.
    (来学网)7.0~7.2
  • E.
    (来学网)7.2~7.4
正确答案:
B