Teacher: Onion root tip cells that's what's on your slides right now.

老师: 今天我们要观察洋葱根尖细胞,就在显微镜的玻片里.

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It'suggests that RE - MECF may damage DNA in root - tip cells of maize in some degree.

实验结果表明:RE-MECF对玉米根尖细胞DNA具有一定的损伤作用.

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But the mitotic index of root tip cells decreased at different degrees with dose increased.

但随着γ线辐照剂量的增加,根尖细胞有丝分裂指数呈不同程度的下降趋势.

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Studies on the Structure of Root - tip and Differentiation of the Primary Tissue in Sugarbeet.

甜菜根尖结构与初生组织分化的研究.

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Objective : To report a rare phenomena of abnormal mitosis in root tip cells Allium sativum L.

目的: 报道大蒜根尖细胞有丝分裂中的异常现象.

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Method: The study is conducted through the micronucleus root tip cell of fava.

方法: 采用蚕豆根尖细胞微核实验法.

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We usually use allium cepa root tip, as experimental material to observe the plant cell mitosis.

观察植物细胞的有丝分裂,常用的实验材料是洋葱根尖.

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