制作临时装片时,要经常对所观察的材料进行染色,染色可使下列哪

制作临时装片时,要经常对所观察的材料进行染色,染色可使下列哪一结构看得更清楚?(  )

A.细胞壁  B.细胞膜

C.细胞核  D.叶绿体

答案

C

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