My sister who was in a private cell (room) had asked the nurse for a pail of soapy water and a mop, because she did find it quite dirty - and it probably was.
姐姐住在单人病房，她向护士要桶肥皂水和一个拖把，因为她发现病房实在是很脏——或许是很脏。
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Purpose and methods: Single cell gel electrophoresis (SCGE), sister chromatid exchanges (SCE), chromosome aberrations are three methods to determine DNA damage and repair.
Prior to cell division it replicates, and the sister centrioles move to opposite ends of the cell to lie within the spindle - organizing structure, the centrosome.