你操作显微镜和洋葱细胞样本的方式，以及对细胞分裂各阶段的仔细观察、描绘和解释，让我印象非常深刻。
I was so impressed with the way you handle the microscope and the samples of onion cells, and with how carefully you observed and diagramed and interpreted each stage of cell division.
观察二月兰一代杂交种子的细胞分裂。
Observe the meiosis on the F1 hybrid of Orychophragmus violaceus.
黑尔曾研究大脑的突触如何工作，莫尔纳观察过与亨廷顿氏症有关的蛋白质，贝慈葛跟踪过胚胎中的细胞分裂过程。
Hell has studied how brain synapses work, Dr. Moerner has looked at proteins related to Huntington's disease and Dr. Betzig has tracked cell division inside embryos.
细胞学观察表明，培养后叶肉细胞明显增大，细胞分裂形成分生组织，由之形成芽原基。
Cytological observations showed that mesophyll cells were greatly enlarged, undergoing repeated cell divisions, then forming meristematic mass, from which buds were initiated.
细胞学观察表明，培养后叶肉细胞明显增大，细胞分裂形成分生组织，由之形成芽原基。
Cytological observations showed that mesophyll cells were greatly enlarged, undergoing repeated cell divisions, then forming meristematic mass, from which buds were initiated.
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