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Passaging, or subculturing, means

  • A.infecting the cells with a virus of your choosing
  • B.transferring cells to fresh vessels and medium
  • C.freezing the cells down for long-term storage
  • D.staining the cells so as to count them accurately

Answer: B

Cells are detached, diluted and reseeded before they exhaust the medium or fill the surface. Recording the passage number matters, since cells change with repeated subculture. A high-passage culture may behave quite differently from a low-passage one.

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